Abstract: A book covering is provided that includes a front cover portion and a back cover portion connected to the front cover portion by a spine. A unique identifier is printed on the book covering. A surface coating can be disposed over portions of the covering. In some embodiments, the unique identifier is printed on the back cover portion. In other embodiments, the unique identifier is a bar code. Methods for printing book coverings, product packaging and products are also provided and include providing a printing press having means for printing variable data so that the unique identifier can be printed on-press. Methods for determining whether a refund should be issued for a book or product are also provided. The methods include correlating the unique identifier with information and upon receiving a returned product, determining the price based on the unique identifier to determine the amount of refund to issue, if any.