You’ll want an ISBN for each format of your respective book. Allow’s say you should publish hardcover, paperback, and e-book variations of your impending e-book—that means you’ll have to have to buy 3 distinctive ISBNs. Use IngramSpark to generate a POD version to support guide product sales out there beyond Amazon. https://hotbizdirectory.com/listings13428285/the-best-side-of-top-self-publishing-company