The Back cover offers a synopsis and facts about the writer that relate to your book. Book cover by kostis Pavlov for celenawittman. The back cover should also leave space for your Intercontinental Regular Book Range (or ISBN code) and also the barcode that goes with it. My private problem https://medium.com/@KindleSelfPublishing/top-features-of-the-best-self-publishing-companies-uk-6984cd2322f8