In exchange for exclusive legal rights to promote the author’s eBook, Amazon supplies incentives for the writer, like promotional tools, like Kindle Limitless, And perhaps larger royalty fees. No. Amazon also permits you to provide books in print by means of Amazon Print on Demand from customers and audiobook structure. https://maplepublishers.com/blog/how-writers-work-in-ease-with-the-professional-offering-illustration-services/