Free Books · Free Audiobooks · Free AI Study Tools

Every Chapter
Free to Read Free to read, free to study: every book.

Free to hear in full: the Holy Bible in ten editions across six languages, including the Catholic Douay-Rheims, and the AA Big Book, now also in Spanish as El Libro Grande. Read the full text of the top 500+ most-downloaded books from Gutenberg’s classics, 1,400+ Standard Ebooks and 72 OpenStax college textbooks free, with a free AI tutor, impact summaries, and quizzes. Premium adds the full audiobook on the rest of the catalog - chapter one is free on every title.

Browse the Library Hear Audiobooks Conversational AI that Knows the Book
Explore the shelves

A library without walls

1,700+ books with a full AI reader - classics, scripture, textbooks, recovery, and independent voices.

Top 500+ Classics
The most-read public domain books, free to read in full - from Frankenstein and Moby-Dick to the whole Gutenberg top 500.
Browse the Top 500+ →
Standard Ebooks
1,400+ classics, beautifully proofed and typeset - free thanks to the volunteers of the Standard Ebooks project.
Browse Standard Ebooks →
College Textbooks
72 full-color OpenStax titles with a free AI tutor, quizzes & downloadable flashcards.
Explore Textbooks →
Holy Bible
Free Bible audiobooks - all ten editions, every chapter, free to hear in full - plus a conversational AI tutor that answers from the text in front of you. Ten editions, six languages: King James, World English (Modern) and the Catholic Douay-Rheims in English; Reina-Valera and Versión Biblia Libre en español; the Bíblia Livre in Portuguese, the Chinese Union Version in simplified and traditional, the Louis Segond in French and the Lutherbibel 1912 in German. No sample chapters, no paywall - ask the Bible anything.
Read Scripture →
AA Recovery
Free full audiobooks on every edition - plus a conversational AI study assistant that knows the Steps, the Traditions and the Promises. Public domain recovery reading: the Big Book 1939 first edition and El Libro Grande, our independent Spanish translation of it, with Portuguese, German, French, Italian, Russian and Albanian editions coming soon. For old timers and the recovery curious alike.
Classic Recovery →
Independent Authors
New voices with author-narrated audio - starting with Spiral’s End, a recovery memoir read in the author’s own voice.
Discover Authors →
All free · no account needed

Study tools for every book

Built for students - and unbeatable on the 72 OpenStax textbooks. Read, ask, test, and review without paying a cent.

AI Tutor
Ask any book anything and get answers grounded in the actual text.
Free
Summaries & Analysis
Chapter-by-chapter and whole-book breakdowns on demand.
Free
Practice Quizzes
Test your understanding as you read, with instant feedback.
Free
Flashcards
Download study decks - perfect for OpenStax coursework.
Free
From every shelf

One library, many rooms

Top 500+ →
Frankenstein
Mary Shelley
Frankenstein
AI Reader
Standard Ebooks →
The Man in the Brown Suit
Agatha Christie
The Man in the Brown Suit
AI Reader
Scripture →
Holy Bible
King James Version
Holy Bible
AI Reader
Scripture →
Santa Biblia
Reina-Valera (Español)
Santa Biblia
AI Reader
Textbooks →
Psychology 2e
OpenStax
Psychology 2e
AI Reader
Independent →
Spiral's End
Jared Bryan Smith
Spiral's End
AI Reader
See all 1,700+ books

Free to read. Free to study.

The full text of every book, plus an AI tutor, summaries, quizzes, and flashcards - all free, forever. The Holy Bible, every edition, and the AA Big Book, now also in Spanish as El Libro Grande, are free to hear in full. Premium is simply the full audiobook on the rest of the catalog, with chapter one free on every title.