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| abebooks.com
abebooks.com lists 30 million titles. The vast majority are used books from independent book dealers, including hard to find and out of print books. |
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| Alibris
alibris has the books you thought you'd never be able to find. |
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| Amazon Used Books
Amazon offers more than just new books, they also offer a surprising number of used books. |
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| biblio.com
At biblio.com, Their are over 2200 professional, independent booksellers from around the world selling used, rare, and out-of-print books. They have over 14 million high quality used books to choose from. |
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| Bibliofind
Now part of Amazon, Bibliofind offers old, used, rare, antiquarian, fine, and out-of-print books. |
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| ElephantBooks.com
ElephantBooks.com is your primary source for out-of-print, fine used, old, rare and antiquarian books. Search their fast on-line database and order your books directly from them, guaranteed to be shipped within 24 hours. |
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