The back cover provides a synopsis and aspects in regards to the author that relate into the book. Book cover by kostis Pavlov for celenawittman. The back cover should also go away room for the International Conventional Book Quantity (or ISBN code) as well as barcode that goes with it. https://kindlebookpublishing.school.blog/2024/11/10/the-self-publishing-advantage-with-maple-publishing/