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Bowker Identifier Services is the only official U.S. ISBN Agency. We provide you with the products and services to make your books more discoverable. Get your ISBNs today!


The ISBN makes your book more discoverable in bookstores, libraries, online, and is the global standard for identifying book titles across the commercial supply chain.


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Rights Assessment and Rights Clearance helps protect your book royalties by helping you assess your risk of copyright violations then attain rights to any content to which you do not have rights.

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