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ISBNDB.COM - Books search engine taking data from hundreds of libraries

Find books easily using ISBN, title, or author searches. Search using ISBN-10 or ISBN-13.

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Catalog your collection of CDs, DVDs, books, comic books or video games. Download the Pro edition for PC or Mac, install the mobile app on your iPhone, or just use the Connect edition online.

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AbeBooks is your source for Used, New, Rare and Out of print books. Find classic collectibles, rare signed editions, used textbooks, and inexpensive bestsellers from independent booksellers worldwide.

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Catalog your book collection. Download author, title, publisher, format and cover images automatically. Free trial edition. For Windows and Mac OS X.

Welcome to the U.S. ISBN Agency, the official source for ISBNs in the United States. No other source can assign legitimate ISBNs to US publishers. Bowker provides technical advice on uses of the ISBN standard to the publishing industry.  Also in...