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Print ISBN (Beta)

Free KDP ISBN
KDP can provide you with a free ISBN to publish your paperback. We'll also automatically register your ISBN information with BooksInPrint.com®, a global database of print books maintained by Bowker (the US ISBN agency) and consulted by publishers, libraries, and booksellers. The Publisher field of your paperback's Amazon detail page will read, "Independently published."

This free ISBN can only be used on KDP for distribution to Amazon and its distribution partners. The free ISBN cannot be used with another publisher or self-publishing platform.

What’s an ISBN?
An ISBN, or International Standard Book Number, is a unique 10-digit number assigned to every published book. An ISBN identifies a title’s binding, edition, and publisher. An EAN, or European Article Number, is a 13-digit number assigned to every book to provide a unique identifier for international distributors.

Buy Your Own ISBN
You can also purchase your own ISBN from Bowker (the US ISBN agency) or through your local ISBN agency if you live outside the US. KDP authors can buy an ISBN at a discounted rate from Bowker.

ISBNs purchased from Bowker can be used to publish titles in any language. If you use your own ISBN, KDP will check whether your title's imprint matches what's on file with Bowker. You will not be able to publish your title in case of a mismatch.

ISBN Changes
In keeping with industry standards, your ISBN cannot be changed once assigned. Since your ISBN is associated with your book's trim size, title, and author name, these details cannot be changed after publication.

If you do find it necessary to change your ISBN, trim size, title, or author name, you will need to unpublish your paperback from your Bookshelf, and then republish it using your new ISBN. For more details, visit our Help page on unpublishing and republishing.

Note: Paperback publishing is not yet available on amazon.co.jp.

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