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Read the full text of the top 1000 downloaded books from Gutenberg’s classics, 1,400+ Standard Ebooks, the Holy Bible in three translations (King James, Modern English & Español), and 72 OpenStax college textbooks - all free, with a free AI tutor, impact summaries, and quizzes. Premium adds the full audiobook - chapter one is free on every title, and the Holy Bible - every translation - and AA Big Book are free to hear in full.

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A library without walls

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

Top 1000 Classics
The most-read public domain books, free to read in full.
Browse the Top 1000 →
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
Three translations - King James, World English (Modern), and Reina-Valera (Español). All 66 books, free to read and free to hear in full - and you can ask the Bible anything with the built-in AI tutor.
Read Scripture →
AA Recovery
Public domain recovery books: the Big Book in its original 1939 edition and the 1955 second edition, plus recovery and spiritual-adjacent reading for old timers and the recovery curious alike.
Classic Recovery →
Independent Authors
New voices with author-narrated audio.
Discover Authors →
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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 1000 →
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. Premium is simply the full audiobook, with chapter one free on every title - and the Holy Bible - every translation - and AA Big Book are free to hear in full.