The back cover provides a synopsis and facts in regards to the creator that relate into the book. Book cover by kostis Pavlov for celenawittman. The back cover should also leave area for the International Normal Book Variety (or ISBN code) as well as barcode that goes with it. And https://www.diigo.com/item/note/b7v8v/nvm1?k=8a60d10762a33a9cd62238acfa0dab2b