Do I need my own ISBN or is the free one good enough? It depends on your goals. The free ISBN works for selling on Amazon, but owning your own ISBN gives you more control and flexibility. An ISBN is the number that identifies your book in stores and libraries. When you use a free ISBN from a platform, that platform is listed as the publisher, and the number usually can only be used with that platform. In this article, you will get a clear answer, then the solution step by ste