diff --git a/ui/src/routes/books/+page.server.ts b/ui/src/routes/books/+page.server.ts
new file mode 100644
index 0000000..615b208
--- /dev/null
+++ b/ui/src/routes/books/+page.server.ts
@@ -0,0 +1,17 @@
+import type { PageServerLoad } from './$types';
+import { listBooks, allProgress } from '$lib/server/pocketbase';
+
+export const load: PageServerLoad = async ({ locals }) => {
+	const [books, progressList] = await Promise.all([
+		listBooks(),
+		allProgress(locals.sessionId)
+	]);
+
+	// Build a quick lookup: slug → last chapter read
+	const progressMap: Record<string, number> = {};
+	for (const p of progressList) {
+		progressMap[p.slug] = p.chapter;
+	}
+
+	return { books, progressMap };
+};
diff --git a/ui/src/routes/books/+page.svelte b/ui/src/routes/books/+page.svelte
new file mode 100644
index 0000000..2138d13
--- /dev/null
+++ b/ui/src/routes/books/+page.svelte
@@ -0,0 +1,91 @@
+<script lang="ts">
+	import type { PageData } from './$types';
+
+	let { data }: { data: PageData } = $props();
+
+	function parseGenres(genres: string[] | string): string[] {
+		if (Array.isArray(genres)) return genres;
+		try {
+			return JSON.parse(genres);
+		} catch {
+			return [];
+		}
+	}
+</script>
+
+<svelte:head>
+	<title>Library — libnovel</title>
+</svelte:head>
+
+<div class="mb-6">
+	<h1 class="text-2xl font-bold text-zinc-100">Library</h1>
+	<p class="text-zinc-400 text-sm mt-1">{data.books.length} books</p>
+</div>
+
+{#if data.books.length === 0}
+	<div class="text-center py-20 text-zinc-500">
+		<p class="text-lg">No books scraped yet.</p>
+		<p class="text-sm mt-2">Use the scraper API to add books.</p>
+	</div>
+{:else}
+	<div class="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-5 xl:grid-cols-6 gap-4">
+		{#each data.books as book}
+			{@const lastChapter = data.progressMap[book.slug]}
+			{@const genres = parseGenres(book.genres)}
+			<a
+				href="/books/{book.slug}"
+				class="group flex flex-col rounded-lg overflow-hidden bg-zinc-800 hover:bg-zinc-700 transition-colors border border-zinc-700 hover:border-zinc-500"
+			>
+				<!-- Cover image -->
+				<div class="aspect-[2/3] bg-zinc-900 overflow-hidden">
+					{#if book.cover}
+						<img
+							src={book.cover}
+							alt={book.title}
+							class="w-full h-full object-cover group-hover:scale-105 transition-transform duration-300"
+							loading="lazy"
+						/>
+					{:else}
+						<div class="w-full h-full flex items-center justify-center text-zinc-600">
+							<svg class="w-12 h-12" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+								<path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5"
+									d="M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253" />
+							</svg>
+						</div>
+					{/if}
+				</div>
+
+				<!-- Info -->
+				<div class="p-2 flex flex-col gap-1 flex-1">
+					<h2 class="text-xs font-semibold text-zinc-100 line-clamp-2 leading-snug">
+						{book.title}
+					</h2>
+					{#if book.author}
+						<p class="text-xs text-zinc-400 truncate">{book.author}</p>
+					{/if}
+
+					<div class="mt-auto pt-1 flex items-center justify-between gap-1">
+						{#if book.status}
+							<span class="text-xs px-1.5 py-0.5 rounded bg-zinc-700 text-zinc-300 truncate max-w-[60%]">
+								{book.status}
+							</span>
+						{/if}
+						{#if lastChapter}
+							<span class="text-xs text-amber-400 font-medium ml-auto whitespace-nowrap">
+								ch.{lastChapter}
+							</span>
+						{/if}
+					</div>
+
+					{#if genres.length > 0}
+						<div class="flex flex-wrap gap-1 mt-1">
+							{#each genres.slice(0, 2) as genre}
+								<span class="text-xs px-1 py-0.5 rounded bg-zinc-900 text-zinc-500">{genre}</span>
+							{/each}
+						</div>
+					{/if}
+				</div>
+			</a>
+		{/each}
+	</div>
+{/if}
diff --git a/ui/src/routes/books/[slug]/+page.server.ts b/ui/src/routes/books/[slug]/+page.server.ts
new file mode 100644
index 0000000..e6b0e4e
--- /dev/null
+++ b/ui/src/routes/books/[slug]/+page.server.ts
@@ -0,0 +1,23 @@
+import { error } from '@sveltejs/kit';
+import type { PageServerLoad } from './$types';
+import { getBook, listChapterIdx, getProgress } from '$lib/server/pocketbase';
+
+export const load: PageServerLoad = async ({ params, locals }) => {
+	const { slug } = params;
+
+	const [book, chapters, progress] = await Promise.all([
+		getBook(slug),
+		listChapterIdx(slug),
+		getProgress(locals.sessionId, slug)
+	]);
+
+	if (!book) {
+		error(404, `Book "${slug}" not found`);
+	}
+
+	return {
+		book,
+		chapters,
+		lastChapter: progress?.chapter ?? null
+	};
+};
diff --git a/ui/src/routes/books/[slug]/+page.svelte b/ui/src/routes/books/[slug]/+page.svelte
new file mode 100644
index 0000000..26c36a1
--- /dev/null
+++ b/ui/src/routes/books/[slug]/+page.svelte
@@ -0,0 +1,142 @@
+<script lang="ts">
+	import type { PageData } from './$types';
+
+	let { data }: { data: PageData } = $props();
+
+	function parseGenres(genres: string[] | string): string[] {
+		if (Array.isArray(genres)) return genres;
+		try {
+			return JSON.parse(genres);
+		} catch {
+			return [];
+		}
+	}
+
+	const genres = $derived(parseGenres(data.book.genres));
+
+	// Paginate chapter list — show 100 at a time
+	let page = $state(0);
+	const PAGE_SIZE = 100;
+	const totalPages = $derived(Math.ceil(data.chapters.length / PAGE_SIZE));
+	const visibleChapters = $derived(
+		data.chapters.slice(page * PAGE_SIZE, (page + 1) * PAGE_SIZE)
+	);
+</script>
+
+<svelte:head>
+	<title>{data.book.title} — libnovel</title>
+</svelte:head>
+
+<!-- Book header -->
+<div class="flex gap-6 mb-8">
+	{#if data.book.cover}
+		<img
+			src={data.book.cover}
+			alt={data.book.title}
+			class="w-32 sm:w-40 rounded-lg object-cover flex-shrink-0 border border-zinc-700"
+		/>
+	{/if}
+
+	<div class="flex flex-col gap-2 min-w-0">
+		<h1 class="text-2xl font-bold text-zinc-100 leading-tight">{data.book.title}</h1>
+
+		{#if data.book.author}
+			<p class="text-zinc-400 text-sm">{data.book.author}</p>
+		{/if}
+
+		<div class="flex flex-wrap gap-2 mt-1">
+			{#if data.book.status}
+				<span class="text-xs px-2 py-1 rounded bg-zinc-700 text-zinc-300">{data.book.status}</span>
+			{/if}
+			{#each genres as genre}
+				<span class="text-xs px-2 py-1 rounded bg-zinc-800 text-zinc-400">{genre}</span>
+			{/each}
+		</div>
+
+		{#if data.book.summary}
+			<p class="text-zinc-400 text-sm leading-relaxed line-clamp-4 mt-1">{data.book.summary}</p>
+		{/if}
+
+		<div class="flex gap-3 mt-2">
+			{#if data.lastChapter}
+				<a
+					href="/books/{data.book.slug}/chapters/{data.lastChapter}"
+					class="px-4 py-2 bg-amber-400 text-zinc-900 font-semibold rounded text-sm hover:bg-amber-300 transition-colors"
+				>
+					Continue ch.{data.lastChapter}
+				</a>
+			{/if}
+			{#if data.chapters.length > 0}
+				<a
+					href="/books/{data.book.slug}/chapters/1"
+					class="px-4 py-2 bg-zinc-700 text-zinc-100 font-semibold rounded text-sm hover:bg-zinc-600 transition-colors"
+				>
+					Start from ch.1
+				</a>
+			{/if}
+		</div>
+	</div>
+</div>
+
+<!-- Chapter list -->
+<div class="mt-4">
+	<div class="flex items-center justify-between mb-3">
+		<h2 class="text-lg font-semibold text-zinc-100">
+			Chapters
+			<span class="text-zinc-500 font-normal text-sm ml-1">({data.chapters.length})</span>
+		</h2>
+
+		{#if totalPages > 1}
+			<div class="flex gap-2 items-center text-sm">
+				<button
+					onclick={() => (page = Math.max(0, page - 1))}
+					disabled={page === 0}
+					class="px-2 py-1 rounded bg-zinc-700 text-zinc-300 disabled:opacity-40 hover:bg-zinc-600 transition-colors"
+				>
+					&larr;
+				</button>
+				<span class="text-zinc-400">{page + 1} / {totalPages}</span>
+				<button
+					onclick={() => (page = Math.min(totalPages - 1, page + 1))}
+					disabled={page === totalPages - 1}
+					class="px-2 py-1 rounded bg-zinc-700 text-zinc-300 disabled:opacity-40 hover:bg-zinc-600 transition-colors"
+				>
+					&rarr;
+				</button>
+			</div>
+		{/if}
+	</div>
+
+	{#if data.chapters.length === 0}
+		<p class="text-zinc-500 text-sm">No chapters available yet.</p>
+	{:else}
+		<div class="grid grid-cols-1 sm:grid-cols-2 gap-1">
+			{#each visibleChapters as chapter}
+				{@const isCurrent = data.lastChapter === chapter.number}
+				<a
+					href="/books/{data.book.slug}/chapters/{chapter.number}"
+					class="flex items-center gap-3 px-3 py-2 rounded hover:bg-zinc-800 transition-colors group {isCurrent
+						? 'bg-zinc-800'
+						: ''}"
+				>
+					<span
+						class="text-xs font-mono w-10 text-right flex-shrink-0 {isCurrent
+							? 'text-amber-400'
+							: 'text-zinc-500'}"
+					>
+						{chapter.number}
+					</span>
+					<span class="text-sm text-zinc-300 group-hover:text-zinc-100 truncate flex-1">
+						{chapter.title || `Chapter ${chapter.number}`}
+					</span>
+					{#if isCurrent}
+						<span class="text-xs text-amber-400 flex-shrink-0">reading</span>
+					{/if}
+					{#if chapter.date_label}
+						<span class="text-xs text-zinc-600 flex-shrink-0 hidden sm:block">{chapter.date_label}</span>
+					{/if}
+				</a>
+			{/each}
+		</div>
+	{/if}
+</div>