The ISBN identifies the title or other book-like product (such as an audiobook) to which it is assigned, but also the publisher to be contacted for ordering purposes.

An ISBN uniquely identifies your book, and facilitates the sale of your book to bookstores (physical and digital) and libraries. Using ISBNs allows you to better manage your book"s …

Who is eligible for an ISBN? How long does it take to get an ISBN? How much does it cost to get an ISBN? What do I do when I receive the ISBN and where is it printed? How & where do I …

Cómo y dónde se registra un ISBN? Se puede conseguir un ISBN y también un ISSN? Hay alguna lista de ISBNs? Cómo se convierte un ISBN en un código de barras?

The International ISBN Agency promotes the use of the ISBN standard on publications, and coordinates and supervises this use through the local national agencies.

ISBN The International Standard Book Number is the first step to get your title discovered by readers! Learn More

That original standard has been revised as book and book-like content appeared in new forms of media, but the basic structure of the ISBN as defined in that standard has not changed and is …

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ISBNs ISBNs make your book more discoverable so readers can find and purchase your book more easily. The ISBN is the global standard for identifying titles. Learn More!

An ISBN is assigned to each book in the series. A series of books is also eligible for an ISSN (International Standard Series Number), available from the Library of Congress.