In exchange for exclusive legal rights to offer the writer’s eBook, Amazon provides incentives to your writer, which include advertising resources, like Kindle Endless, And maybe larger royalty charges. Royalty fees for self publishing with Amazon KDP range between 35% to 70% for ebooks, based on your book’s pricing. Royalties https://maplepublishers.com/blog/how-to-become-a-good-childrens-book-writer/