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Every published book must have an International Standard Book Number (ISBN). This identifier distinguishes each format of individual books. It's required to offer a book for sale and to register a book with the Library of Congress.
Securing ISBNs is a simple process but can be opaque to first-time authors. How to get ISBN numbers is a frequently asked question among our authors. In this post we'll cover the how many ISBNs you need, where to buy ISBNs, and how much ISBNs cost.
Where to Get an ISBN
Indie authors have two options for securing ISBNs for their work:
Author & Editor
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