BOOK ROYALTIES
Book royalty rates depend on the book format. Royalty fees are based on number of sales and the book’s list price.
PUBLISHING MODEL TYPICAL ROYALTY RANGE
Traditional paperback 5 to 8 %
Traditional hardcover 10 to 15 %
Traditional e-book 20 to 25 %
Self-published e-book 70 %
Reference:
Book royalties guide for authors: Rates, calculations and statements https://www.thegoodearthpublishers.com/understanding-book-royalties