BookFinder.com (Popularity: )
http://www.BookFinder.com Book shopping search engine, plus a meta search of 12 directories of used, rare, and out of print booksellers. Category:
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Bookfinder.US (Popularity: )
http://www.bookfinder.us Offers book search and price comparison at over 60 sites. Search by title, author, keywords and ISBN number. Category:
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