Books are printed with uniform book numbers and pricing at the lower right of the back cover, while periodicals are printed with copyright pages on the back cover, or used to print non-literal words and pictures such as catalogues.
The back cover is an important part of a book, and it is an extension, supplement, generalization or emphasis of the cover and spine. There are three forms to investigate the back cover design of contemporary books in China: the first is that the face is facing the sky; The second largest image type; The third kind of text.