An ISBN (International Standard Book Number) is a unique 13-digit number used to identify a book. Considered an industry standard, ISBNs are used by publishers, booksellers, libraries, wholesalers, and distributors to identify, organize, and track books.
Pronoun requires an ISBN to publish your book, track your sales, and send you data-driven marketing recommendations customized to your book.
As an author publishing on Pronoun, you can provide your own ISBN, or we can assign one to your book for free. To use a free ISBN provided by Pronoun, click the switch to select “Give me an ebook ISBN when I publish,” and we will automatically assign one to your book during distribution.
If you use your own ISBN, you can register yourself or another publisher of your choosing as the ISBN’s Publisher of Record. This means you can use the same ISBN if you unpublish your book on Pronoun and republish it somewhere else.
If you use the free ISBN provided by Pronoun, Pronoun will be registered as your ISBN’s Publisher of Record. You can still remove your book from Pronoun and publish it elsewhere, however, you’ll need a fresh ISBN.
Either way, you retain all rights to your work, and have the ability to stop selling your book through Pronoun and publish your book somewhere else at any time.
The ISBN is assigned to a book that is already live on retailers. If your book is currently live on Amazon, iBooks, Barnes & Noble, Kobo, and/or Google Play, and you’d like to republish it through Pronoun, you must remove those versions from sale before you can reuse the ISBN on Pronoun.
The ISBN is assigned to a print book. Print books and ebooks need different ISBNs. If you’ve already published the print version of your ebook, add its ISBN to the “Print ISBN” field.
The ISBN is being used by another book on Pronoun. If you publish a new book, it needs a fresh ISBN, so you can’t reuse a Pronoun-issued ISBN assigned to a previous book. If you start a new book and then decide to start over in a new book project, remove the ISBN from your previous project.
If you currently publish the print version of your ebook, add its ISBN in this section. Then, retailers will automatically link the two formats of your book.
You can update your book without changing your ISBN, so feel free to tweak your title, update your cover, add a preface, and fix typos.
You’ll need a new ISBN if you:
Note that once an ISBN has been assigned to a book, it belongs to that book forever. ISBNs can’t be reused or transferred to another book, author, or publisher.