The back cover provides a synopsis and aspects about the author that relate on the book. Book cover by kostis Pavlov for celenawittman. The back cover also needs to leave area with the International Typical Book Quantity (or ISBN code) as well as the barcode that goes with it. An https://selfpublishinglondon.blogspot.com/2024/09/a-book-cover-design-can-make-difference.html