Abebooks.com
Commercial service for buying and selling out-of-print, used and rare books.

Amazon
Amazon helps you to locate books, books on tape and CDs, videos in VHS and DVD, and music in a variety of formats.

Bargain Book Closeouts
Find the best deals for bargain books.

Barnes & Noble
Barnes & Noble site for locating books, books on tape and CD, videos in VHS and DVD, and music in a variety of formats.

Bibliofind
Thousands of booksellers offer used and rare books for sale.

Book Byte
College students find deals on your new or used textbooks here!

Book Crossing
Unique place to buy or trade new and used books. Book Crossing keeps track of a books location and readers can add their own journal entry for a book.

BookFinder
This is a great search engine for searching for new books as well as used and rare books. It searches for your title in several bookstore databases and provides the results without having to retype the title.

Library Book Sales
Support libraries by buying used books from Friends of the Library organizations at this website! Search by title or browse by author.

Overbooked ~ Mystery Bookstores
Are you a mystery fan? Overbooked has created a page devoted to online mystery bookstores.

VarsityBooks.com
Try this website for finding new or used college textbooks. Searchable by University or College.