The barcode will take up a sizeable chunk of space at the bottom right corner. Other than that ... the back cover is your oyster! My book has a lengthy blurb on the back, as well as several graphic elements.
Yes, either on the back cover itself or inside. Or both.Edward M. Grant said:I also put QR codes on there for my web sites so anyone with a phone, tablet or other QR reader can easily find them.
Me, too.Edward M. Grant said:I also put QR codes on there for my web sites so anyone with a phone, tablet or other QR reader can easily find them.