Book royalties are payments that authors receive from book sales. When a book is sold, the author earns a percentage of the sale price, known as a royalty rate. In traditional publishing, royalties are typically paid after the publisher recoups the author's advance. For self-published authors, platforms like Amazon KDP offer royalty rates ranging from 35% to 70%, depending on the book... https://www.britishbookdesign.co.uk/