Frequently asked questions
Everything people ask before their first free textbook.
- Are these textbooks really free and legal?
- Yes. Every book is an open textbook published under an open license by OpenStax or listed in the Open Textbook Library.
- How often is the list updated?
- Every hour. New titles appear as soon as the libraries add them.
- Can I download them?
- Most books can be read online and downloaded as a PDF; many also come as EPUB or print.
- Do you charge anything?
- Never. The site is free to use and funded by unobtrusive advertising.
- Can I get notified about new free textbooks?
- Yes. Add your email in the alerts box and you get one message per batch of new books.
- Can an AI assistant use this data?
- Yes. The site runs an MCP server so Claude, ChatGPT and other agents can search current free textbooks.