diff --git a/FictionArchive.Service.UserNovelDataService/FictionArchive.Service.UserNovelDataService.csproj b/FictionArchive.Service.UserNovelDataService/FictionArchive.Service.UserNovelDataService.csproj
index 6bee3ff..e486c8c 100644
--- a/FictionArchive.Service.UserNovelDataService/FictionArchive.Service.UserNovelDataService.csproj
+++ b/FictionArchive.Service.UserNovelDataService/FictionArchive.Service.UserNovelDataService.csproj
@@ -7,6 +7,13 @@
         <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
     </PropertyGroup>
 
+    <ItemGroup>
+        <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.11">
+          <PrivateAssets>all</PrivateAssets>
+          <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+    </ItemGroup>
+
     <ItemGroup>
       <Content Include="..\.dockerignore">
         <Link>.dockerignore</Link>
diff --git a/FictionArchive.Service.UserNovelDataService/GraphQL/Mutation.cs b/FictionArchive.Service.UserNovelDataService/GraphQL/Mutation.cs
index 5810b81..09a46e1 100644
--- a/FictionArchive.Service.UserNovelDataService/GraphQL/Mutation.cs
+++ b/FictionArchive.Service.UserNovelDataService/GraphQL/Mutation.cs
@@ -1,6 +1,109 @@
+using System.Security.Claims;
+using FictionArchive.Service.UserNovelDataService.Models.Database;
+using FictionArchive.Service.UserNovelDataService.Models.DTOs;
+using FictionArchive.Service.UserNovelDataService.Services;
+using HotChocolate.Authorization;
+using HotChocolate.Types;
+using Microsoft.EntityFrameworkCore;
+
 namespace FictionArchive.Service.UserNovelDataService.GraphQL;
 
 public class Mutation
 {
-    
-}
\ No newline at end of file
+    [Authorize]
+    [Error<InvalidOperationException>]
+    public async Task<BookmarkPayload> UpsertBookmark(
+        UserNovelDataServiceDbContext dbContext,
+        ClaimsPrincipal claimsPrincipal,
+        UpsertBookmarkInput input)
+    {
+        var oAuthProviderId = claimsPrincipal.FindFirst(ClaimTypes.NameIdentifier)?.Value;
+        if (string.IsNullOrEmpty(oAuthProviderId))
+        {
+            throw new InvalidOperationException("Unable to determine current user identity");
+        }
+
+        var user = await dbContext.Users
+            .FirstOrDefaultAsync(u => u.OAuthProviderId == oAuthProviderId);
+
+        if (user == null)
+        {
+            // Auto-create user if not exists
+            user = new User { OAuthProviderId = oAuthProviderId };
+            dbContext.Users.Add(user);
+            await dbContext.SaveChangesAsync();
+        }
+
+        var existingBookmark = await dbContext.Bookmarks
+            .FirstOrDefaultAsync(b => b.UserId == user.Id && b.ChapterId == input.ChapterId);
+
+        if (existingBookmark != null)
+        {
+            // Update existing
+            existingBookmark.Description = input.Description;
+        }
+        else
+        {
+            // Create new
+            existingBookmark = new Bookmark
+            {
+                UserId = user.Id,
+                NovelId = input.NovelId,
+                ChapterId = input.ChapterId,
+                Description = input.Description
+            };
+            dbContext.Bookmarks.Add(existingBookmark);
+        }
+
+        await dbContext.SaveChangesAsync();
+
+        return new BookmarkPayload
+        {
+            Success = true,
+            Bookmark = new BookmarkDto
+            {
+                Id = existingBookmark.Id,
+                ChapterId = existingBookmark.ChapterId,
+                NovelId = existingBookmark.NovelId,
+                Description = existingBookmark.Description,
+                CreatedTime = existingBookmark.CreatedTime
+            }
+        };
+    }
+
+    [Authorize]
+    [Error<InvalidOperationException>]
+    public async Task<BookmarkPayload> RemoveBookmark(
+        UserNovelDataServiceDbContext dbContext,
+        ClaimsPrincipal claimsPrincipal,
+        uint chapterId)
+    {
+        var oAuthProviderId = claimsPrincipal.FindFirst(ClaimTypes.NameIdentifier)?.Value;
+        if (string.IsNullOrEmpty(oAuthProviderId))
+        {
+            throw new InvalidOperationException("Unable to determine current user identity");
+        }
+
+        var user = await dbContext.Users
+            .AsNoTracking()
+            .FirstOrDefaultAsync(u => u.OAuthProviderId == oAuthProviderId);
+
+        if (user == null)
+        {
+            return new BookmarkPayload { Success = false };
+        }
+
+        var bookmark = await dbContext.Bookmarks
+            .FirstOrDefaultAsync(b => b.UserId == user.Id && b.ChapterId == chapterId);
+
+        if (bookmark == null)
+        {
+            return new BookmarkPayload { Success = false };
+        }
+
+        dbContext.Bookmarks.Remove(bookmark);
+        await dbContext.SaveChangesAsync();
+
+        return new BookmarkPayload { Success = true };
+    }
+}
diff --git a/FictionArchive.Service.UserNovelDataService/GraphQL/Query.cs b/FictionArchive.Service.UserNovelDataService/GraphQL/Query.cs
index 7ad2845..0b6e297 100644
--- a/FictionArchive.Service.UserNovelDataService/GraphQL/Query.cs
+++ b/FictionArchive.Service.UserNovelDataService/GraphQL/Query.cs
@@ -1,6 +1,45 @@
+using System.Security.Claims;
+using FictionArchive.Service.UserNovelDataService.Models.DTOs;
+using FictionArchive.Service.UserNovelDataService.Services;
+using HotChocolate.Authorization;
+using Microsoft.EntityFrameworkCore;
+
 namespace FictionArchive.Service.UserNovelDataService.GraphQL;
 
 public class Query
 {
-    
-}
\ No newline at end of file
+    [Authorize]
+    public async Task<IQueryable<BookmarkDto>> GetBookmarks(
+        UserNovelDataServiceDbContext dbContext,
+        ClaimsPrincipal claimsPrincipal,
+        uint novelId)
+    {
+        var oAuthProviderId = claimsPrincipal.FindFirst(ClaimTypes.NameIdentifier)?.Value;
+        if (string.IsNullOrEmpty(oAuthProviderId))
+        {
+            return new List<BookmarkDto>().AsQueryable();
+        }
+
+        var user = await dbContext.Users
+            .AsNoTracking()
+            .FirstOrDefaultAsync(u => u.OAuthProviderId == oAuthProviderId);
+
+        if (user == null)
+        {
+            return new List<BookmarkDto>().AsQueryable();
+        }
+
+        return dbContext.Bookmarks
+            .AsNoTracking()
+            .Where(b => b.UserId == user.Id && b.NovelId == novelId)
+            .OrderByDescending(b => b.CreatedTime)
+            .Select(b => new BookmarkDto
+            {
+                Id = b.Id,
+                ChapterId = b.ChapterId,
+                NovelId = b.NovelId,
+                Description = b.Description,
+                CreatedTime = b.CreatedTime
+            });
+    }
+}
diff --git a/FictionArchive.Service.UserNovelDataService/Migrations/20251230181559_AddBookmarks.Designer.cs b/FictionArchive.Service.UserNovelDataService/Migrations/20251230181559_AddBookmarks.Designer.cs
new file mode 100644
index 0000000..fdb9d07
--- /dev/null
+++ b/FictionArchive.Service.UserNovelDataService/Migrations/20251230181559_AddBookmarks.Designer.cs
@@ -0,0 +1,99 @@
+// <auto-generated />
+using System;
+using FictionArchive.Service.UserNovelDataService.Services;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using NodaTime;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace FictionArchive.Service.UserNovelDataService.Migrations
+{
+    [DbContext(typeof(UserNovelDataServiceDbContext))]
+    [Migration("20251230181559_AddBookmarks")]
+    partial class AddBookmarks
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.11")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("FictionArchive.Service.UserNovelDataService.Models.Database.Bookmark", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<long>("ChapterId")
+                        .HasColumnType("bigint");
+
+                    b.Property<Instant>("CreatedTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<Instant>("LastUpdatedTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<long>("NovelId")
+                        .HasColumnType("bigint");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId", "ChapterId")
+                        .IsUnique();
+
+                    b.HasIndex("UserId", "NovelId");
+
+                    b.ToTable("Bookmarks");
+                });
+
+            modelBuilder.Entity("FictionArchive.Service.UserNovelDataService.Models.Database.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Instant>("CreatedTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Instant>("LastUpdatedTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("OAuthProviderId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("FictionArchive.Service.UserNovelDataService.Models.Database.Bookmark", b =>
+                {
+                    b.HasOne("FictionArchive.Service.UserNovelDataService.Models.Database.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/FictionArchive.Service.UserNovelDataService/Migrations/20251230181559_AddBookmarks.cs b/FictionArchive.Service.UserNovelDataService/Migrations/20251230181559_AddBookmarks.cs
new file mode 100644
index 0000000..f987bda
--- /dev/null
+++ b/FictionArchive.Service.UserNovelDataService/Migrations/20251230181559_AddBookmarks.cs
@@ -0,0 +1,76 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using NodaTime;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace FictionArchive.Service.UserNovelDataService.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddBookmarks : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Users",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    OAuthProviderId = table.Column<string>(type: "text", nullable: false),
+                    CreatedTime = table.Column<Instant>(type: "timestamp with time zone", nullable: false),
+                    LastUpdatedTime = table.Column<Instant>(type: "timestamp with time zone", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Users", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Bookmarks",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    UserId = table.Column<Guid>(type: "uuid", nullable: false),
+                    ChapterId = table.Column<long>(type: "bigint", nullable: false),
+                    NovelId = table.Column<long>(type: "bigint", nullable: false),
+                    Description = table.Column<string>(type: "text", nullable: true),
+                    CreatedTime = table.Column<Instant>(type: "timestamp with time zone", nullable: false),
+                    LastUpdatedTime = table.Column<Instant>(type: "timestamp with time zone", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Bookmarks", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Bookmarks_Users_UserId",
+                        column: x => x.UserId,
+                        principalTable: "Users",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Bookmarks_UserId_ChapterId",
+                table: "Bookmarks",
+                columns: new[] { "UserId", "ChapterId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Bookmarks_UserId_NovelId",
+                table: "Bookmarks",
+                columns: new[] { "UserId", "NovelId" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Bookmarks");
+
+            migrationBuilder.DropTable(
+                name: "Users");
+        }
+    }
+}
diff --git a/FictionArchive.Service.UserNovelDataService/Migrations/UserNovelDataServiceDbContextModelSnapshot.cs b/FictionArchive.Service.UserNovelDataService/Migrations/UserNovelDataServiceDbContextModelSnapshot.cs
new file mode 100644
index 0000000..1e50402
--- /dev/null
+++ b/FictionArchive.Service.UserNovelDataService/Migrations/UserNovelDataServiceDbContextModelSnapshot.cs
@@ -0,0 +1,96 @@
+// <auto-generated />
+using System;
+using FictionArchive.Service.UserNovelDataService.Services;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using NodaTime;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace FictionArchive.Service.UserNovelDataService.Migrations
+{
+    [DbContext(typeof(UserNovelDataServiceDbContext))]
+    partial class UserNovelDataServiceDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.11")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("FictionArchive.Service.UserNovelDataService.Models.Database.Bookmark", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<long>("ChapterId")
+                        .HasColumnType("bigint");
+
+                    b.Property<Instant>("CreatedTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<Instant>("LastUpdatedTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<long>("NovelId")
+                        .HasColumnType("bigint");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId", "ChapterId")
+                        .IsUnique();
+
+                    b.HasIndex("UserId", "NovelId");
+
+                    b.ToTable("Bookmarks");
+                });
+
+            modelBuilder.Entity("FictionArchive.Service.UserNovelDataService.Models.Database.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Instant>("CreatedTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Instant>("LastUpdatedTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("OAuthProviderId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("FictionArchive.Service.UserNovelDataService.Models.Database.Bookmark", b =>
+                {
+                    b.HasOne("FictionArchive.Service.UserNovelDataService.Models.Database.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/FictionArchive.Service.UserNovelDataService/Models/DTOs/BookmarkDto.cs b/FictionArchive.Service.UserNovelDataService/Models/DTOs/BookmarkDto.cs
new file mode 100644
index 0000000..844eaca
--- /dev/null
+++ b/FictionArchive.Service.UserNovelDataService/Models/DTOs/BookmarkDto.cs
@@ -0,0 +1,12 @@
+using NodaTime;
+
+namespace FictionArchive.Service.UserNovelDataService.Models.DTOs;
+
+public class BookmarkDto
+{
+    public int Id { get; init; }
+    public uint ChapterId { get; init; }
+    public uint NovelId { get; init; }
+    public string? Description { get; init; }
+    public Instant CreatedTime { get; init; }
+}
diff --git a/FictionArchive.Service.UserNovelDataService/Models/DTOs/BookmarkPayload.cs b/FictionArchive.Service.UserNovelDataService/Models/DTOs/BookmarkPayload.cs
new file mode 100644
index 0000000..cfc334f
--- /dev/null
+++ b/FictionArchive.Service.UserNovelDataService/Models/DTOs/BookmarkPayload.cs
@@ -0,0 +1,7 @@
+namespace FictionArchive.Service.UserNovelDataService.Models.DTOs;
+
+public class BookmarkPayload
+{
+    public BookmarkDto? Bookmark { get; init; }
+    public bool Success { get; init; }
+}
diff --git a/FictionArchive.Service.UserNovelDataService/Models/DTOs/UpsertBookmarkInput.cs b/FictionArchive.Service.UserNovelDataService/Models/DTOs/UpsertBookmarkInput.cs
new file mode 100644
index 0000000..06cfebb
--- /dev/null
+++ b/FictionArchive.Service.UserNovelDataService/Models/DTOs/UpsertBookmarkInput.cs
@@ -0,0 +1,3 @@
+namespace FictionArchive.Service.UserNovelDataService.Models.DTOs;
+
+public record UpsertBookmarkInput(uint NovelId, uint ChapterId, string? Description);
diff --git a/FictionArchive.Service.UserNovelDataService/Models/Database/Bookmark.cs b/FictionArchive.Service.UserNovelDataService/Models/Database/Bookmark.cs
new file mode 100644
index 0000000..9a7e836
--- /dev/null
+++ b/FictionArchive.Service.UserNovelDataService/Models/Database/Bookmark.cs
@@ -0,0 +1,14 @@
+using FictionArchive.Service.Shared.Models;
+
+namespace FictionArchive.Service.UserNovelDataService.Models.Database;
+
+public class Bookmark : BaseEntity<int>
+{
+    public Guid UserId { get; set; }
+    public virtual User User { get; set; } = null!;
+
+    public uint ChapterId { get; set; }
+    public uint NovelId { get; set; }
+
+    public string? Description { get; set; }
+}
diff --git a/FictionArchive.Service.UserNovelDataService/Models/Database/Chapter.cs b/FictionArchive.Service.UserNovelDataService/Models/Database/Chapter.cs
new file mode 100644
index 0000000..1cc7e91
--- /dev/null
+++ b/FictionArchive.Service.UserNovelDataService/Models/Database/Chapter.cs
@@ -0,0 +1,8 @@
+using FictionArchive.Service.Shared.Models;
+
+namespace FictionArchive.Service.UserNovelDataService.Models.Database;
+
+public class Chapter : BaseEntity<uint>
+{
+    
+}
\ No newline at end of file
diff --git a/FictionArchive.Service.UserNovelDataService/Models/Database/Novel.cs b/FictionArchive.Service.UserNovelDataService/Models/Database/Novel.cs
new file mode 100644
index 0000000..fc979d8
--- /dev/null
+++ b/FictionArchive.Service.UserNovelDataService/Models/Database/Novel.cs
@@ -0,0 +1,8 @@
+using FictionArchive.Service.Shared.Models;
+
+namespace FictionArchive.Service.UserNovelDataService.Models.Database;
+
+public class Novel : BaseEntity<uint>
+{
+    public virtual ICollection<Volume> Volumes { get; set; }
+}
\ No newline at end of file
diff --git a/FictionArchive.Service.UserNovelDataService/Models/Database/User.cs b/FictionArchive.Service.UserNovelDataService/Models/Database/User.cs
new file mode 100644
index 0000000..9863b97
--- /dev/null
+++ b/FictionArchive.Service.UserNovelDataService/Models/Database/User.cs
@@ -0,0 +1,8 @@
+using FictionArchive.Service.Shared.Models;
+
+namespace FictionArchive.Service.UserNovelDataService.Models.Database;
+
+public class User : BaseEntity<Guid>
+{
+    public required string OAuthProviderId { get; set; }
+}
\ No newline at end of file
diff --git a/FictionArchive.Service.UserNovelDataService/Models/Database/Volume.cs b/FictionArchive.Service.UserNovelDataService/Models/Database/Volume.cs
new file mode 100644
index 0000000..f5b0293
--- /dev/null
+++ b/FictionArchive.Service.UserNovelDataService/Models/Database/Volume.cs
@@ -0,0 +1,8 @@
+using FictionArchive.Service.Shared.Models;
+
+namespace FictionArchive.Service.UserNovelDataService.Models.Database;
+
+public class Volume : BaseEntity<uint>
+{
+    public virtual ICollection<Chapter> Chapters { get; set; }
+}
\ No newline at end of file
diff --git a/FictionArchive.Service.UserNovelDataService/Services/UserNovelDataServiceDbContext.cs b/FictionArchive.Service.UserNovelDataService/Services/UserNovelDataServiceDbContext.cs
index 78383ca..38eb08c 100644
--- a/FictionArchive.Service.UserNovelDataService/Services/UserNovelDataServiceDbContext.cs
+++ b/FictionArchive.Service.UserNovelDataService/Services/UserNovelDataServiceDbContext.cs
@@ -1,11 +1,35 @@
 using FictionArchive.Service.Shared.Services.Database;
+using FictionArchive.Service.UserNovelDataService.Models.Database;
 using Microsoft.EntityFrameworkCore;
 
 namespace FictionArchive.Service.UserNovelDataService.Services;
 
 public class UserNovelDataServiceDbContext : FictionArchiveDbContext
 {
+    public DbSet<User> Users { get; set; }
+    public DbSet<Bookmark> Bookmarks { get; set; }
+
     public UserNovelDataServiceDbContext(DbContextOptions options, ILogger<UserNovelDataServiceDbContext> logger) : base(options, logger)
     {
     }
-}
\ No newline at end of file
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        base.OnModelCreating(modelBuilder);
+
+        modelBuilder.Entity<Bookmark>(entity =>
+        {
+            // Unique constraint: one bookmark per chapter per user
+            entity.HasIndex(b => new { b.UserId, b.ChapterId }).IsUnique();
+
+            // Index for efficient "get bookmarks for novel" queries
+            entity.HasIndex(b => new { b.UserId, b.NovelId });
+
+            // User relationship
+            entity.HasOne(b => b.User)
+                .WithMany()
+                .HasForeignKey(b => b.UserId)
+                .OnDelete(DeleteBehavior.Cascade);
+        });
+    }
+}
diff --git a/FictionArchive.Service.UserNovelDataService/appsettings.json b/FictionArchive.Service.UserNovelDataService/appsettings.json
index baea518..425535a 100644
--- a/FictionArchive.Service.UserNovelDataService/appsettings.json
+++ b/FictionArchive.Service.UserNovelDataService/appsettings.json
@@ -12,5 +12,15 @@
     "ConnectionString": "amqp://localhost",
     "ClientIdentifier": "UserNovelDataService"
   },
+  "OIDC": {
+    "Authority": "https://auth.orfl.xyz/application/o/fiction-archive/",
+    "ClientId": "ldi5IpEidq2WW0Ka1lehVskb2SOBjnYRaZCpEyBh",
+    "Audience": "ldi5IpEidq2WW0Ka1lehVskb2SOBjnYRaZCpEyBh",
+    "ValidIssuer": "https://auth.orfl.xyz/application/o/fiction-archive/",
+    "ValidateIssuer": true,
+    "ValidateAudience": true,
+    "ValidateLifetime": true,
+    "ValidateIssuerSigningKey": true
+  },
   "AllowedHosts": "*"
 }
diff --git a/FictionArchive.Service.UserNovelDataService/subgraph-config.json b/FictionArchive.Service.UserNovelDataService/subgraph-config.json
new file mode 100644
index 0000000..200a4f4
--- /dev/null
+++ b/FictionArchive.Service.UserNovelDataService/subgraph-config.json
@@ -0,0 +1,6 @@
+{
+  "subgraph": "UserNovelData",
+  "http": {
+    "baseAddress": "https://localhost:7298/graphql"
+  }
+}
\ No newline at end of file
diff --git a/fictionarchive-web-astro/src/lib/components/ChapterNavigation.svelte b/fictionarchive-web-astro/src/lib/components/ChapterNavigation.svelte
index 6f547fc..f7eadc4 100644
--- a/fictionarchive-web-astro/src/lib/components/ChapterNavigation.svelte
+++ b/fictionarchive-web-astro/src/lib/components/ChapterNavigation.svelte
@@ -1,29 +1,131 @@
 <script lang="ts">
 	import { Button } from '$lib/components/ui/button';
+	import { Popover, PopoverTrigger, PopoverContent } from '$lib/components/ui/popover';
+	import { Textarea } from '$lib/components/ui/textarea';
+	import { client } from '$lib/graphql/client';
+	import { UpsertBookmarkDocument, RemoveBookmarkDocument } from '$lib/graphql/__generated__/graphql';
 	import ChevronLeft from '@lucide/svelte/icons/chevron-left';
 	import ChevronRight from '@lucide/svelte/icons/chevron-right';
 	import List from '@lucide/svelte/icons/list';
+	import Bookmark from '@lucide/svelte/icons/bookmark';
+	import BookmarkCheck from '@lucide/svelte/icons/bookmark-check';
 
 	interface Props {
 		novelId: string;
+		chapterId?: number;
 		prevChapterVolumeOrder: number | null | undefined;
 		prevChapterOrder: number | null | undefined;
 		nextChapterVolumeOrder: number | null | undefined;
 		nextChapterOrder: number | null | undefined;
 		showKeyboardHints?: boolean;
+		isBookmarked?: boolean;
+		bookmarkDescription?: string | null;
+		onBookmarkChange?: (isBookmarked: boolean, description?: string | null) => void;
 	}
 
 	let {
 		novelId,
+		chapterId,
 		prevChapterVolumeOrder,
 		prevChapterOrder,
 		nextChapterVolumeOrder,
 		nextChapterOrder,
-		showKeyboardHints = true
+		showKeyboardHints = true,
+		isBookmarked = false,
+		bookmarkDescription = null,
+		onBookmarkChange
 	}: Props = $props();
 
 	const hasPrev = $derived(prevChapterOrder != null && prevChapterVolumeOrder != null);
 	const hasNext = $derived(nextChapterOrder != null && nextChapterVolumeOrder != null);
+
+	// Bookmark state
+	let popoverOpen = $state(false);
+	let description = $state(bookmarkDescription ?? '');
+	let saving = $state(false);
+	let removing = $state(false);
+	let error: string | null = $state(null);
+
+	// Reset description when popover opens
+	$effect(() => {
+		if (popoverOpen) {
+			description = bookmarkDescription ?? '';
+			error = null;
+		}
+	});
+
+	async function saveBookmark() {
+		if (!chapterId) return;
+
+		saving = true;
+		error = null;
+
+		try {
+			const result = await client
+				.mutation(UpsertBookmarkDocument, {
+					input: {
+						chapterId,
+						novelId: parseInt(novelId, 10),
+						description: description.trim() || null
+					}
+				})
+				.toPromise();
+
+			if (result.error) {
+				error = result.error.message;
+				return;
+			}
+
+			if (result.data?.upsertBookmark?.errors?.length) {
+				error = result.data.upsertBookmark.errors[0]?.message ?? 'Failed to save bookmark';
+				return;
+			}
+
+			if (result.data?.upsertBookmark?.bookmarkPayload?.success) {
+				popoverOpen = false;
+				onBookmarkChange?.(true, description.trim() || null);
+			}
+		} catch (e) {
+			error = e instanceof Error ? e.message : 'Failed to save bookmark';
+		} finally {
+			saving = false;
+		}
+	}
+
+	async function removeBookmark() {
+		if (!chapterId) return;
+
+		removing = true;
+		error = null;
+
+		try {
+			const result = await client
+				.mutation(RemoveBookmarkDocument, {
+					input: { chapterId }
+				})
+				.toPromise();
+
+			if (result.error) {
+				error = result.error.message;
+				return;
+			}
+
+			if (result.data?.removeBookmark?.errors?.length) {
+				error = result.data.removeBookmark.errors[0]?.message ?? 'Failed to remove bookmark';
+				return;
+			}
+
+			if (result.data?.removeBookmark?.bookmarkPayload?.success) {
+				popoverOpen = false;
+				description = '';
+				onBookmarkChange?.(false, null);
+			}
+		} catch (e) {
+			error = e instanceof Error ? e.message : 'Failed to remove bookmark';
+		} finally {
+			removing = false;
+		}
+	}
 </script>
 
 <div class="flex flex-col gap-2">
@@ -38,10 +140,72 @@
 			<span class="hidden sm:inline">Previous</span>
 		</Button>
 
-		<Button variant="outline" href="/novels/{novelId}" class="gap-2">
-			<List class="h-4 w-4" />
-			<span class="hidden sm:inline">Contents</span>
-		</Button>
+		<div class="flex items-center gap-2">
+			<Button variant="outline" href="/novels/{novelId}" class="gap-2">
+				<List class="h-4 w-4" />
+				<span class="hidden sm:inline">Contents</span>
+			</Button>
+
+			{#if chapterId}
+				<Popover bind:open={popoverOpen}>
+					<PopoverTrigger asChild>
+						{#snippet child({ props })}
+							<Button
+								variant={isBookmarked ? 'default' : 'outline'}
+								class="gap-2"
+								{...props}
+							>
+								{#if isBookmarked}
+									<BookmarkCheck class="h-4 w-4" />
+								{:else}
+									<Bookmark class="h-4 w-4" />
+								{/if}
+								<span class="hidden sm:inline">{isBookmarked ? 'Bookmarked' : 'Bookmark'}</span>
+							</Button>
+						{/snippet}
+					</PopoverTrigger>
+					<PopoverContent class="w-80">
+						<div class="space-y-4">
+							<div class="space-y-2">
+								<h4 class="font-medium leading-none">
+									{isBookmarked ? 'Edit bookmark' : 'Bookmark this chapter'}
+								</h4>
+								<p class="text-sm text-muted-foreground">
+									{isBookmarked ? 'Update your note or remove the bookmark.' : 'Add an optional note to remember why you bookmarked this.'}
+								</p>
+							</div>
+							<Textarea
+								bind:value={description}
+								placeholder="Add a note..."
+								class="min-h-[80px] resize-none"
+							/>
+							{#if error}
+								<p class="text-sm text-destructive">{error}</p>
+							{/if}
+							<div class="flex justify-end gap-2">
+								{#if isBookmarked}
+									<Button
+										variant="destructive"
+										size="sm"
+										onclick={removeBookmark}
+										disabled={removing || saving}
+									>
+										{removing ? 'Removing...' : 'Remove'}
+									</Button>
+								{/if}
+								<Button
+									size="sm"
+									onclick={saveBookmark}
+									disabled={saving || removing}
+								>
+									{saving ? 'Saving...' : 'Save'}
+								</Button>
+							</div>
+						</div>
+					</PopoverContent>
+				</Popover>
+			{/if}
+		</div>
 
 		<Button
 			variant="outline"
diff --git a/fictionarchive-web-astro/src/lib/components/ChapterReaderPage.svelte b/fictionarchive-web-astro/src/lib/components/ChapterReaderPage.svelte
index 977979e..ddee185 100644
--- a/fictionarchive-web-astro/src/lib/components/ChapterReaderPage.svelte
+++ b/fictionarchive-web-astro/src/lib/components/ChapterReaderPage.svelte
@@ -1,13 +1,14 @@
 <script lang="ts" module>
-	import type { GetChapterQuery } from '$lib/graphql/__generated__/graphql';
+	import type { GetChapterQuery, GetBookmarksQuery } from '$lib/graphql/__generated__/graphql';
 
 	export type ChapterData = NonNullable<GetChapterQuery['chapter']>;
+	export type BookmarkData = GetBookmarksQuery['bookmarks'][number];
 </script>
 
 <script lang="ts">
 	import { onMount, onDestroy } from 'svelte';
 	import { client } from '$lib/graphql/client';
-	import { GetChapterDocument } from '$lib/graphql/__generated__/graphql';
+	import { GetChapterDocument, GetBookmarksDocument } from '$lib/graphql/__generated__/graphql';
 	import { Card, CardContent } from '$lib/components/ui/card';
 	import { Button } from '$lib/components/ui/button';
 	import ChapterNavigation from './ChapterNavigation.svelte';
@@ -28,6 +29,10 @@
 	let error: string | null = $state(null);
 	let scrollProgress = $state(0);
 
+	// Bookmark state
+	let isBookmarked = $state(false);
+	let bookmarkDescription: string | null = $state(null);
+
 	// Derived values
 	const sanitizedBody = $derived(chapter?.body ? sanitizeChapterHtml(chapter.body) : '');
 
@@ -78,6 +83,8 @@
 				chapter = result.data.chapter;
 				// Update the page title with chapter info
 				document.title = `${chapter.novelName} - ${chapter.order}`;
+				// Fetch bookmark status
+				await fetchBookmarks();
 			} else {
 				error = 'Chapter not found';
 			}
@@ -88,6 +95,34 @@
 		}
 	}
 
+	async function fetchBookmarks() {
+		if (!novelId || !chapter) return;
+
+		try {
+			const result = await client
+				.query(GetBookmarksDocument, { novelId: parseInt(novelId, 10) })
+				.toPromise();
+
+			if (result.data?.bookmarks) {
+				const bookmark = result.data.bookmarks.find((b) => b.chapterId === chapter!.id);
+				if (bookmark) {
+					isBookmarked = true;
+					bookmarkDescription = bookmark.description ?? null;
+				} else {
+					isBookmarked = false;
+					bookmarkDescription = null;
+				}
+			}
+		} catch {
+			// Silently fail - bookmark status is non-critical
+		}
+	}
+
+	function handleBookmarkChange(newIsBookmarked: boolean, newDescription?: string | null) {
+		isBookmarked = newIsBookmarked;
+		bookmarkDescription = newDescription ?? null;
+	}
+
 	onMount(() => {
 		fetchChapter();
 		window.addEventListener('scroll', handleScroll, { passive: true });
@@ -139,10 +174,14 @@
 		<!-- Navigation (top) -->
 		<ChapterNavigation
 			novelId={novelId ?? ''}
+			chapterId={chapter.id}
 			prevChapterVolumeOrder={chapter.prevChapterVolumeOrder}
 			prevChapterOrder={chapter.prevChapterOrder}
 			nextChapterVolumeOrder={chapter.nextChapterVolumeOrder}
 			nextChapterOrder={chapter.nextChapterOrder}
+			{isBookmarked}
+			{bookmarkDescription}
+			onBookmarkChange={handleBookmarkChange}
 		/>
 
 		<!-- Chapter Header -->
@@ -173,11 +212,15 @@
 		<!-- Navigation (bottom) -->
 		<ChapterNavigation
 			novelId={novelId ?? ''}
+			chapterId={chapter.id}
 			prevChapterVolumeOrder={chapter.prevChapterVolumeOrder}
 			prevChapterOrder={chapter.prevChapterOrder}
 			nextChapterVolumeOrder={chapter.nextChapterVolumeOrder}
 			nextChapterOrder={chapter.nextChapterOrder}
 			showKeyboardHints={false}
+			{isBookmarked}
+			{bookmarkDescription}
+			onBookmarkChange={handleBookmarkChange}
 		/>
 	{/if}
 </div>
diff --git a/fictionarchive-web-astro/src/lib/components/NovelDetailPage.svelte b/fictionarchive-web-astro/src/lib/components/NovelDetailPage.svelte
index 3358740..399727e 100644
--- a/fictionarchive-web-astro/src/lib/components/NovelDetailPage.svelte
+++ b/fictionarchive-web-astro/src/lib/components/NovelDetailPage.svelte
@@ -1,8 +1,10 @@
 <script lang="ts" module>
-	import type { NovelQuery, NovelStatus, Language } from '$lib/graphql/__generated__/graphql';
+	import type { NovelQuery, NovelStatus, Language, GetBookmarksQuery } from '$lib/graphql/__generated__/graphql';
 	import { TagType } from '$lib/graphql/__generated__/graphql';
 	import { SystemTags } from '$lib/constants/systemTags';
 
+	export type BookmarkData = GetBookmarksQuery['bookmarks'][number];
+
 	export type NovelNode = NonNullable<NonNullable<NovelQuery['novels']>['nodes']>[number];
 
 	const statusColors: Record<NovelStatus, string> = {
@@ -32,7 +34,7 @@
 <script lang="ts">
 	import { onMount } from 'svelte';
 	import { client } from '$lib/graphql/client';
-	import { NovelDocument, ImportNovelDocument, DeleteNovelDocument } from '$lib/graphql/__generated__/graphql';
+	import { NovelDocument, ImportNovelDocument, DeleteNovelDocument, GetBookmarksDocument } from '$lib/graphql/__generated__/graphql';
 	import { isAuthenticated } from '$lib/auth/authStore';
 	import { Card, CardContent, CardHeader } from '$lib/components/ui/card';
 	import { Badge } from '$lib/components/ui/badge';
@@ -98,6 +100,11 @@
 	let activeTab = $state('chapters');
 	let galleryLoaded = $state(false);
 
+	// Bookmarks state
+	let bookmarks: BookmarkData[] = $state([]);
+	let bookmarksLoaded = $state(false);
+	let bookmarksFetching = $state(false);
+
 	const DESCRIPTION_PREVIEW_LENGTH = 300;
 
 	// Derived values
@@ -128,6 +135,15 @@
 
 	const isSingleVolume = $derived(sortedVolumes.length === 1);
 
+	// Chapter lookup for bookmarks (maps chapterId to chapter details)
+	const chapterLookup = $derived(
+		new Map(
+			sortedVolumes.flatMap((v) =>
+				v.chapters.map((c) => [c.id, { ...c, volumeOrder: v.order }])
+			)
+		)
+	);
+
 	const chapterCount = $derived(
 		sortedVolumes.reduce((sum, v) => sum + v.chapters.length, 0)
 	);
@@ -184,6 +200,34 @@
 		}
 	});
 
+	// Load bookmarks when tab is first activated
+	$effect(() => {
+		if (activeTab === 'bookmarks' && !bookmarksLoaded && novelId) {
+			fetchBookmarks();
+		}
+	});
+
+	async function fetchBookmarks() {
+		if (!novelId || bookmarksFetching) return;
+
+		bookmarksFetching = true;
+
+		try {
+			const result = await client
+				.query(GetBookmarksDocument, { novelId: parseInt(novelId, 10) })
+				.toPromise();
+
+			if (result.data?.bookmarks) {
+				bookmarks = result.data.bookmarks;
+			}
+		} catch {
+			// Silently fail - bookmarks are non-critical
+		} finally {
+			bookmarksFetching = false;
+			bookmarksLoaded = true;
+		}
+	}
+
 	// Image viewer functions
 	function openImageViewer(index: number) {
 		viewerIndex = index;
@@ -528,10 +572,9 @@
 						</TabsTrigger>
 						<TabsTrigger
 							value="bookmarks"
-							disabled
-							class="rounded-md data-[state=active]:bg-background data-[state=active]:shadow-sm px-3 py-1.5 text-sm font-medium transition-all disabled:opacity-50 disabled:cursor-not-allowed"
+							class="rounded-md data-[state=active]:bg-background data-[state=active]:shadow-sm px-3 py-1.5 text-sm font-medium transition-all"
 						>
-							Bookmarks
+							Bookmarks{bookmarksLoaded ? ` (${bookmarks.length})` : ''}
 						</TabsTrigger>
 					</TabsList>
 				</CardHeader>
@@ -646,9 +689,50 @@
 					</TabsContent>
 
 					<TabsContent value="bookmarks" class="mt-0">
-						<p class="text-muted-foreground text-sm py-8 text-center">
-							Bookmarks coming soon.
-						</p>
+						{#if bookmarksFetching}
+							<div class="flex items-center justify-center py-8">
+								<div
+									class="border-primary h-8 w-8 animate-spin rounded-full border-2 border-t-transparent"
+									aria-label="Loading bookmarks"
+								></div>
+							</div>
+						{:else if bookmarks.length === 0}
+							<p class="text-muted-foreground text-sm py-8 text-center">
+								No bookmarks yet. Add bookmarks while reading chapters.
+							</p>
+						{:else}
+							<div class="max-h-96 overflow-y-auto -mx-2">
+								{#each bookmarks as bookmark (bookmark.id)}
+									{@const chapter = chapterLookup.get(bookmark.chapterId)}
+									{#if chapter}
+										{@const bookmarkDate = new Date(bookmark.createdTime)}
+										<a
+											href="/novels/{novelId}/volumes/{chapter.volumeOrder}/chapters/{chapter.order}"
+											class="flex items-center justify-between px-3 py-2.5 hover:bg-muted/50 rounded-md transition-colors group"
+										>
+											<div class="flex-1 min-w-0">
+												<div class="flex items-center gap-3">
+													<span class="text-muted-foreground text-sm font-medium shrink-0 w-14">
+														Ch. {chapter.order}
+													</span>
+													<span class="text-sm truncate group-hover:text-primary transition-colors">
+														{chapter.name}
+													</span>
+												</div>
+												{#if bookmark.description}
+													<p class="text-xs text-muted-foreground/70 mt-1 ml-[4.25rem] truncate">
+														{bookmark.description}
+													</p>
+												{/if}
+											</div>
+											<span class="text-xs text-muted-foreground/70 shrink-0 ml-2">
+												{formatRelativeTime(bookmarkDate)}
+											</span>
+										</a>
+									{/if}
+								{/each}
+							</div>
+						{/if}
 					</TabsContent>
 				</CardContent>
 			</Tabs>
diff --git a/fictionarchive-web-astro/src/lib/components/ui/popover/index.ts b/fictionarchive-web-astro/src/lib/components/ui/popover/index.ts
new file mode 100644
index 0000000..f01e4bb
--- /dev/null
+++ b/fictionarchive-web-astro/src/lib/components/ui/popover/index.ts
@@ -0,0 +1,18 @@
+import { Popover as PopoverPrimitive } from 'bits-ui';
+import Content from './popover-content.svelte';
+
+const Root = PopoverPrimitive.Root;
+const Trigger = PopoverPrimitive.Trigger;
+const Close = PopoverPrimitive.Close;
+
+export {
+	Root,
+	Trigger,
+	Content,
+	Close,
+	//
+	Root as Popover,
+	Trigger as PopoverTrigger,
+	Content as PopoverContent,
+	Close as PopoverClose
+};
diff --git a/fictionarchive-web-astro/src/lib/components/ui/popover/popover-content.svelte b/fictionarchive-web-astro/src/lib/components/ui/popover/popover-content.svelte
new file mode 100644
index 0000000..de30eb0
--- /dev/null
+++ b/fictionarchive-web-astro/src/lib/components/ui/popover/popover-content.svelte
@@ -0,0 +1,26 @@
+<script lang="ts">
+	import { Popover as PopoverPrimitive } from 'bits-ui';
+	import { cn } from '$lib/utils.js';
+
+	let {
+		ref = $bindable(null),
+		sideOffset = 4,
+		align = 'center',
+		class: className,
+		...restProps
+	}: PopoverPrimitive.ContentProps = $props();
+</script>
+
+<PopoverPrimitive.Portal>
+	<PopoverPrimitive.Content
+		bind:ref
+		data-slot="popover-content"
+		{sideOffset}
+		{align}
+		class={cn(
+			'bg-popover text-popover-foreground animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 w-72 overflow-hidden rounded-md border p-4 shadow-md outline-none',
+			className
+		)}
+		{...restProps}
+	/>
+</PopoverPrimitive.Portal>
diff --git a/fictionarchive-web-astro/src/lib/components/ui/textarea/index.ts b/fictionarchive-web-astro/src/lib/components/ui/textarea/index.ts
new file mode 100644
index 0000000..9ccb3bf
--- /dev/null
+++ b/fictionarchive-web-astro/src/lib/components/ui/textarea/index.ts
@@ -0,0 +1,7 @@
+import Root from './textarea.svelte';
+
+export {
+	Root,
+	//
+	Root as Textarea
+};
diff --git a/fictionarchive-web-astro/src/lib/components/ui/textarea/textarea.svelte b/fictionarchive-web-astro/src/lib/components/ui/textarea/textarea.svelte
new file mode 100644
index 0000000..02c376d
--- /dev/null
+++ b/fictionarchive-web-astro/src/lib/components/ui/textarea/textarea.svelte
@@ -0,0 +1,27 @@
+<script lang="ts">
+	import type { HTMLTextareaAttributes } from 'svelte/elements';
+	import { cn, type WithElementRef } from '$lib/utils.js';
+
+	type Props = WithElementRef<HTMLTextareaAttributes, HTMLTextAreaElement>;
+
+	let {
+		ref = $bindable(null),
+		value = $bindable(),
+		class: className,
+		'data-slot': dataSlot = 'textarea',
+		...restProps
+	}: Props = $props();
+</script>
+
+<textarea
+	bind:this={ref}
+	data-slot={dataSlot}
+	class={cn(
+		'border-input bg-background selection:bg-primary dark:bg-input/30 selection:text-primary-foreground ring-offset-background placeholder:text-muted-foreground shadow-xs flex min-h-[80px] w-full min-w-0 rounded-md border px-3 py-2 text-base outline-none transition-[color,box-shadow] disabled:cursor-not-allowed disabled:opacity-50 md:text-sm',
+		'focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px]',
+		'aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive',
+		className
+	)}
+	bind:value
+	{...restProps}
+></textarea>
diff --git a/fictionarchive-web-astro/src/lib/graphql/__generated__/graphql.ts b/fictionarchive-web-astro/src/lib/graphql/__generated__/graphql.ts
index a003e28..6fa4e20 100644
--- a/fictionarchive-web-astro/src/lib/graphql/__generated__/graphql.ts
+++ b/fictionarchive-web-astro/src/lib/graphql/__generated__/graphql.ts
@@ -29,6 +29,19 @@ export const ApplyPolicy = {
 } as const;
 
 export type ApplyPolicy = typeof ApplyPolicy[keyof typeof ApplyPolicy];
+export type BookmarkDto = {
+  chapterId: Scalars['UnsignedInt']['output'];
+  createdTime: Scalars['Instant']['output'];
+  description: Maybe<Scalars['String']['output']>;
+  id: Scalars['Int']['output'];
+  novelId: Scalars['UnsignedInt']['output'];
+};
+
+export type BookmarkPayload = {
+  bookmark: Maybe<BookmarkDto>;
+  success: Scalars['Boolean']['output'];
+};
+
 export type ChapterDto = {
   body: Scalars['String']['output'];
   createdTime: Scalars['Instant']['output'];
@@ -266,9 +279,11 @@ export type Mutation = {
   fetchChapterContents: FetchChapterContentsPayload;
   importNovel: ImportNovelPayload;
   inviteUser: InviteUserPayload;
+  removeBookmark: RemoveBookmarkPayload;
   runJob: RunJobPayload;
   scheduleEventJob: ScheduleEventJobPayload;
   translateText: TranslateTextPayload;
+  upsertBookmark: UpsertBookmarkPayload;
 };
 
 
@@ -297,6 +312,11 @@ export type MutationInviteUserArgs = {
 };
 
 
+export type MutationRemoveBookmarkArgs = {
+  input: RemoveBookmarkInput;
+};
+
+
 export type MutationRunJobArgs = {
   input: RunJobInput;
 };
@@ -311,6 +331,11 @@ export type MutationTranslateTextArgs = {
   input: TranslateTextInput;
 };
 
+
+export type MutationUpsertBookmarkArgs = {
+  input: UpsertBookmarkInput;
+};
+
 export type NovelDto = {
   author: PersonDto;
   coverImage: Maybe<ImageDto>;
@@ -471,6 +496,7 @@ export type PersonDtoSortInput = {
 };
 
 export type Query = {
+  bookmarks: Array<BookmarkDto>;
   chapter: Maybe<ChapterReaderDto>;
   currentUser: Maybe<UserDto>;
   jobs: Array<SchedulerJob>;
@@ -480,6 +506,11 @@ export type Query = {
 };
 
 
+export type QueryBookmarksArgs = {
+  novelId: Scalars['UnsignedInt']['input'];
+};
+
+
 export type QueryChapterArgs = {
   chapterOrder: Scalars['UnsignedInt']['input'];
   novelId: Scalars['UnsignedInt']['input'];
@@ -514,6 +545,17 @@ export type QueryTranslationRequestsArgs = {
   where?: InputMaybe<TranslationRequestDtoFilterInput>;
 };
 
+export type RemoveBookmarkError = InvalidOperationError;
+
+export type RemoveBookmarkInput = {
+  chapterId: Scalars['UnsignedInt']['input'];
+};
+
+export type RemoveBookmarkPayload = {
+  bookmarkPayload: Maybe<BookmarkPayload>;
+  errors: Maybe<Array<RemoveBookmarkError>>;
+};
+
 export type RunJobError = JobPersistenceError;
 
 export type RunJobInput = {
@@ -739,6 +781,19 @@ export type UnsignedIntOperationFilterInputType = {
   nlte?: InputMaybe<Scalars['UnsignedInt']['input']>;
 };
 
+export type UpsertBookmarkError = InvalidOperationError;
+
+export type UpsertBookmarkInput = {
+  chapterId: Scalars['UnsignedInt']['input'];
+  description?: InputMaybe<Scalars['String']['input']>;
+  novelId: Scalars['UnsignedInt']['input'];
+};
+
+export type UpsertBookmarkPayload = {
+  bookmarkPayload: Maybe<BookmarkPayload>;
+  errors: Maybe<Array<UpsertBookmarkError>>;
+};
+
 export type UserDto = {
   availableInvites: Scalars['Int']['output'];
   createdTime: Scalars['Instant']['output'];
@@ -807,6 +862,27 @@ export type InviteUserMutationVariables = Exact<{
 
 export type InviteUserMutation = { inviteUser: { userDto: { id: any, username: string, email: string } | null, errors: Array<{ message: string }> | null } };
 
+export type RemoveBookmarkMutationVariables = Exact<{
+  input: RemoveBookmarkInput;
+}>;
+
+
+export type RemoveBookmarkMutation = { removeBookmark: { bookmarkPayload: { success: boolean } | null, errors: Array<{ message: string }> | null } };
+
+export type UpsertBookmarkMutationVariables = Exact<{
+  input: UpsertBookmarkInput;
+}>;
+
+
+export type UpsertBookmarkMutation = { upsertBookmark: { bookmarkPayload: { success: boolean, bookmark: { id: number, chapterId: any, novelId: any, description: string | null, createdTime: any } | null } | null, errors: Array<{ message: string }> | null } };
+
+export type GetBookmarksQueryVariables = Exact<{
+  novelId: Scalars['UnsignedInt']['input'];
+}>;
+
+
+export type GetBookmarksQuery = { bookmarks: Array<{ id: number, chapterId: any, novelId: any, description: string | null, createdTime: any }> };
+
 export type GetChapterQueryVariables = Exact<{
   novelId: Scalars['UnsignedInt']['input'];
   volumeOrder: Scalars['UnsignedInt']['input'];
@@ -842,6 +918,9 @@ export type GetSettingsPageDataQuery = { currentUser: { id: any, username: strin
 export const DeleteNovelDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"mutation","name":{"kind":"Name","value":"DeleteNovel"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"input"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"DeleteNovelInput"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"deleteNovel"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"input"},"value":{"kind":"Variable","name":{"kind":"Name","value":"input"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"boolean"}},{"kind":"Field","name":{"kind":"Name","value":"errors"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"InlineFragment","typeCondition":{"kind":"NamedType","name":{"kind":"Name","value":"Error"}},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"message"}}]}}]}}]}}]}}]} as unknown as DocumentNode<DeleteNovelMutation, DeleteNovelMutationVariables>;
 export const ImportNovelDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"mutation","name":{"kind":"Name","value":"ImportNovel"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"input"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"ImportNovelInput"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"importNovel"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"input"},"value":{"kind":"Variable","name":{"kind":"Name","value":"input"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"novelUpdateRequestedEvent"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"novelUrl"}}]}}]}}]}}]} as unknown as DocumentNode<ImportNovelMutation, ImportNovelMutationVariables>;
 export const InviteUserDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"mutation","name":{"kind":"Name","value":"InviteUser"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"input"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"InviteUserInput"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"inviteUser"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"input"},"value":{"kind":"Variable","name":{"kind":"Name","value":"input"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"userDto"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"username"}},{"kind":"Field","name":{"kind":"Name","value":"email"}}]}},{"kind":"Field","name":{"kind":"Name","value":"errors"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"InlineFragment","typeCondition":{"kind":"NamedType","name":{"kind":"Name","value":"InvalidOperationError"}},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"message"}}]}}]}}]}}]}}]} as unknown as DocumentNode<InviteUserMutation, InviteUserMutationVariables>;
+export const RemoveBookmarkDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"mutation","name":{"kind":"Name","value":"RemoveBookmark"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"input"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"RemoveBookmarkInput"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"removeBookmark"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"input"},"value":{"kind":"Variable","name":{"kind":"Name","value":"input"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"bookmarkPayload"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"success"}}]}},{"kind":"Field","name":{"kind":"Name","value":"errors"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"InlineFragment","typeCondition":{"kind":"NamedType","name":{"kind":"Name","value":"Error"}},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"message"}}]}}]}}]}}]}}]} as unknown as DocumentNode<RemoveBookmarkMutation, RemoveBookmarkMutationVariables>;
+export const UpsertBookmarkDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"mutation","name":{"kind":"Name","value":"UpsertBookmark"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"input"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"UpsertBookmarkInput"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"upsertBookmark"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"input"},"value":{"kind":"Variable","name":{"kind":"Name","value":"input"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"bookmarkPayload"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"success"}},{"kind":"Field","name":{"kind":"Name","value":"bookmark"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"chapterId"}},{"kind":"Field","name":{"kind":"Name","value":"novelId"}},{"kind":"Field","name":{"kind":"Name","value":"description"}},{"kind":"Field","name":{"kind":"Name","value":"createdTime"}}]}}]}},{"kind":"Field","name":{"kind":"Name","value":"errors"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"InlineFragment","typeCondition":{"kind":"NamedType","name":{"kind":"Name","value":"Error"}},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"message"}}]}}]}}]}}]}}]} as unknown as DocumentNode<UpsertBookmarkMutation, UpsertBookmarkMutationVariables>;
+export const GetBookmarksDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"GetBookmarks"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"novelId"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"UnsignedInt"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"bookmarks"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"novelId"},"value":{"kind":"Variable","name":{"kind":"Name","value":"novelId"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"chapterId"}},{"kind":"Field","name":{"kind":"Name","value":"novelId"}},{"kind":"Field","name":{"kind":"Name","value":"description"}},{"kind":"Field","name":{"kind":"Name","value":"createdTime"}}]}}]}}]} as unknown as DocumentNode<GetBookmarksQuery, GetBookmarksQueryVariables>;
 export const GetChapterDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"GetChapter"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"novelId"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"UnsignedInt"}}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"volumeOrder"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"UnsignedInt"}}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"chapterOrder"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"UnsignedInt"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"chapter"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"novelId"},"value":{"kind":"Variable","name":{"kind":"Name","value":"novelId"}}},{"kind":"Argument","name":{"kind":"Name","value":"volumeOrder"},"value":{"kind":"Variable","name":{"kind":"Name","value":"volumeOrder"}}},{"kind":"Argument","name":{"kind":"Name","value":"chapterOrder"},"value":{"kind":"Variable","name":{"kind":"Name","value":"chapterOrder"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"order"}},{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"body"}},{"kind":"Field","name":{"kind":"Name","value":"url"}},{"kind":"Field","name":{"kind":"Name","value":"revision"}},{"kind":"Field","name":{"kind":"Name","value":"createdTime"}},{"kind":"Field","name":{"kind":"Name","value":"lastUpdatedTime"}},{"kind":"Field","name":{"kind":"Name","value":"images"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"newPath"}}]}},{"kind":"Field","name":{"kind":"Name","value":"novelId"}},{"kind":"Field","name":{"kind":"Name","value":"novelName"}},{"kind":"Field","name":{"kind":"Name","value":"volumeId"}},{"kind":"Field","name":{"kind":"Name","value":"volumeName"}},{"kind":"Field","name":{"kind":"Name","value":"volumeOrder"}},{"kind":"Field","name":{"kind":"Name","value":"totalChaptersInVolume"}},{"kind":"Field","name":{"kind":"Name","value":"prevChapterVolumeOrder"}},{"kind":"Field","name":{"kind":"Name","value":"prevChapterOrder"}},{"kind":"Field","name":{"kind":"Name","value":"nextChapterVolumeOrder"}},{"kind":"Field","name":{"kind":"Name","value":"nextChapterOrder"}}]}}]}}]} as unknown as DocumentNode<GetChapterQuery, GetChapterQueryVariables>;
 export const NovelDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"Novel"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"id"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"UnsignedInt"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"novels"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"where"},"value":{"kind":"ObjectValue","fields":[{"kind":"ObjectField","name":{"kind":"Name","value":"id"},"value":{"kind":"ObjectValue","fields":[{"kind":"ObjectField","name":{"kind":"Name","value":"eq"},"value":{"kind":"Variable","name":{"kind":"Name","value":"id"}}}]}}]}},{"kind":"Argument","name":{"kind":"Name","value":"first"},"value":{"kind":"IntValue","value":"1"}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"nodes"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"description"}},{"kind":"Field","name":{"kind":"Name","value":"url"}},{"kind":"Field","name":{"kind":"Name","value":"rawLanguage"}},{"kind":"Field","name":{"kind":"Name","value":"rawStatus"}},{"kind":"Field","name":{"kind":"Name","value":"statusOverride"}},{"kind":"Field","name":{"kind":"Name","value":"externalId"}},{"kind":"Field","name":{"kind":"Name","value":"createdTime"}},{"kind":"Field","name":{"kind":"Name","value":"lastUpdatedTime"}},{"kind":"Field","name":{"kind":"Name","value":"author"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"externalUrl"}}]}},{"kind":"Field","name":{"kind":"Name","value":"source"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"key"}},{"kind":"Field","name":{"kind":"Name","value":"url"}}]}},{"kind":"Field","name":{"kind":"Name","value":"coverImage"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"newPath"}}]}},{"kind":"Field","name":{"kind":"Name","value":"tags"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"key"}},{"kind":"Field","name":{"kind":"Name","value":"displayName"}},{"kind":"Field","name":{"kind":"Name","value":"tagType"}}]}},{"kind":"Field","name":{"kind":"Name","value":"volumes"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"order"}},{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"createdTime"}},{"kind":"Field","name":{"kind":"Name","value":"lastUpdatedTime"}},{"kind":"Field","name":{"kind":"Name","value":"chapters"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"order"}},{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"lastUpdatedTime"}},{"kind":"Field","name":{"kind":"Name","value":"images"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"newPath"}}]}}]}}]}}]}}]}}]}}]} as unknown as DocumentNode<NovelQuery, NovelQueryVariables>;
 export const NovelsDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"Novels"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"first"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"Int"}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"after"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"String"}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"where"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"NovelDtoFilterInput"}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"order"}},"type":{"kind":"ListType","type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"NovelDtoSortInput"}}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"novels"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"first"},"value":{"kind":"Variable","name":{"kind":"Name","value":"first"}}},{"kind":"Argument","name":{"kind":"Name","value":"after"},"value":{"kind":"Variable","name":{"kind":"Name","value":"after"}}},{"kind":"Argument","name":{"kind":"Name","value":"where"},"value":{"kind":"Variable","name":{"kind":"Name","value":"where"}}},{"kind":"Argument","name":{"kind":"Name","value":"order"},"value":{"kind":"Variable","name":{"kind":"Name","value":"order"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"edges"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"cursor"}},{"kind":"Field","name":{"kind":"Name","value":"node"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"url"}},{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"description"}},{"kind":"Field","name":{"kind":"Name","value":"coverImage"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"newPath"}}]}},{"kind":"Field","name":{"kind":"Name","value":"rawStatus"}},{"kind":"Field","name":{"kind":"Name","value":"lastUpdatedTime"}},{"kind":"Field","name":{"kind":"Name","value":"volumes"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"order"}},{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"chapters"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"order"}},{"kind":"Field","name":{"kind":"Name","value":"name"}}]}}]}},{"kind":"Field","name":{"kind":"Name","value":"tags"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"key"}},{"kind":"Field","name":{"kind":"Name","value":"displayName"}},{"kind":"Field","name":{"kind":"Name","value":"tagType"}}]}}]}}]}},{"kind":"Field","name":{"kind":"Name","value":"pageInfo"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"hasNextPage"}},{"kind":"Field","name":{"kind":"Name","value":"endCursor"}}]}}]}}]}}]} as unknown as DocumentNode<NovelsQuery, NovelsQueryVariables>;
diff --git a/fictionarchive-web-astro/src/lib/graphql/mutations/removeBookmark.graphql b/fictionarchive-web-astro/src/lib/graphql/mutations/removeBookmark.graphql
new file mode 100644
index 0000000..d46852d
--- /dev/null
+++ b/fictionarchive-web-astro/src/lib/graphql/mutations/removeBookmark.graphql
@@ -0,0 +1,12 @@
+mutation RemoveBookmark($input: RemoveBookmarkInput!) {
+  removeBookmark(input: $input) {
+    bookmarkPayload {
+      success
+    }
+    errors {
+      ... on Error {
+        message
+      }
+    }
+  }
+}
diff --git a/fictionarchive-web-astro/src/lib/graphql/mutations/upsertBookmark.graphql b/fictionarchive-web-astro/src/lib/graphql/mutations/upsertBookmark.graphql
new file mode 100644
index 0000000..b5da4ba
--- /dev/null
+++ b/fictionarchive-web-astro/src/lib/graphql/mutations/upsertBookmark.graphql
@@ -0,0 +1,19 @@
+mutation UpsertBookmark($input: UpsertBookmarkInput!) {
+  upsertBookmark(input: $input) {
+    bookmarkPayload {
+      success
+      bookmark {
+        id
+        chapterId
+        novelId
+        description
+        createdTime
+      }
+    }
+    errors {
+      ... on Error {
+        message
+      }
+    }
+  }
+}
diff --git a/fictionarchive-web-astro/src/lib/graphql/queries/bookmarks.graphql b/fictionarchive-web-astro/src/lib/graphql/queries/bookmarks.graphql
new file mode 100644
index 0000000..543ea9b
--- /dev/null
+++ b/fictionarchive-web-astro/src/lib/graphql/queries/bookmarks.graphql
@@ -0,0 +1,9 @@
+query GetBookmarks($novelId: UnsignedInt!) {
+  bookmarks(novelId: $novelId) {
+    id
+    chapterId
+    novelId
+    description
+    createdTime
+  }
+}