The book is directed to the collector who has just become fascinated with revenue stamps or to the collector looking for something else to collect. The book is divided into four parts: 19th-century U.S. revenues; beyond the first three issues and through the 20th-century; private die proprietary stamps; and other back-of-the-book areas and non-Scott listed revenues. It includes sewing-machine perforations, playing cards revenues, medicine stamps used for advertising, lock seals, telegraph stamps, savings stamps, motor vehicle stamps.