Book Search Engines Online
Abebooks: New & Used Books, Textbooks, Rare & Out of Print Books
Specializes in connecting buyers and sellers of used, rare, and out-of-print books. Includes a database of booksellers’ inventory lists searchable by author, title, publisher, and keyword.
Google Book Search
Google Book Search. Book Search, BETA.
Search Books at Amazon.com
This brings up the Search Inside! Reader with the cover page of the book.
The Online Books Page
Listing over 25000 free books on the Web.
AddALL book search and price comparison
The book search and book price comparison agent is built to ease online book shopping. All new books, used books, out of print books are searched.
BookFinder.com: Search for New, Out of Print and Used Books
Search engine that finds the best buys from among 100 million new, used, rare, and out of print books for sale. Includes international titles and textbooks.