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Book Search

Millions of books and free ebooks

Book Search searches a massive catalog of books by title, author, subject, or ISBN — and gives you full access to 60,000+ public domain ebooks you can read in full. Get cover images, descriptions, publication details, author bios, and trending titles, all in one place.

It's useful for readers discovering what to read next, researchers tracking down specific editions, and developers building book recommendation or reading features. The free ebook library includes classic literature, history, philosophy, and science texts from Project Gutenberg that you can read directly without downloading anything.

What you can do

  • Search books by title, author, topic, or any keyword combination
  • Look up exact editions by ISBN for precise publication details
  • Browse by author name or subject/genre
  • Get full author biographies and their top works
  • Discover trending and popular books
  • Search 60,000+ public domain ebooks and read their full text

Who it's for

Readers looking for their next book or exploring a genre. Researchers tracking down source texts or specific editions. Writers and content creators looking for source material. Developers building reading apps, recommendation systems, or research tools.

How to use it

  1. Use search_books for open-ended discovery — try a topic, author, or genre
  2. Call get_book_details with a work key from search results to get the full description, cover, and publication history
  3. Use lookup_isbn when you need details for a specific edition
  4. Use search_free_ebooks to find public domain books, then read_ebook to fetch the full text

Getting started

search_books needs no setup — run it with any query to start exploring the catalog immediately.

Information

Price
Free

Frequently Asked Questions

Can I search books by title, author, subject, or ISBN?

Yes. `search_books` handles broad queries, `search_by_author` and `search_by_subject` browse by category, and `lookup_isbn` is best when you already know the exact edition.

How do I get full book details after a search?

Use `get_book_details` with the Open Library work key from search results. It returns the description, subjects, cover images, publication date, and related links.

Can I read free public domain ebooks here?

Yes. `search_free_ebooks` finds Project Gutenberg titles, and `read_ebook` fetches the actual text so you can read, summarize, or quote from it.

Is there a way to browse popular or author-specific books?

Yes. `trending_books` shows popular titles by period, and `get_author_details` gives author bios plus top works with publication details.

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