This is when you choose your two BISAC book classes. Simply search in the checklist that Amazon provides, and select the two that most effective in shape your book. Royalty fees for self publishing with Amazon KDP vary from 35% to 70% for ebooks, based upon your book’s pricing. Royalties https://maplepublishers.com/blog/what-you-must-know-about-selling-your-self-published-books/