Google Books searches full text of books, magazines, and newspapers. Google Books works just like web search—when Google finds a book with content that contains a match for your search terms, they’ll link to it in your search results.
If the book is out of copyright, or the publisher has given Google permission, users will be able to see a preview of the book, and in some cases the entire text. If it’s in the public domain, a PDF copy is free for download.
Google Books has reference pages for every book so users can quickly find all kinds of relevant information: book reviews, web references, maps and more. Links on these reference pages allow users to buy each book or find where the print book can be borrowed.