The book "Criminal Law Issues of Progressive Customer Acquisition" by Ralf Raube offers a comprehensive analysis of the legal challenges associated with innovative advertising techniques. It particularly focuses on the criminal law aspects arising from the use of chain letters. In an era where marketing strategies are becoming increasingly creative and unconventional, it is crucial to understand the legal framework to avoid legal consequences. The work is aimed at professionals in the fields of business and law who wish to explore the intersections between advertising and criminal law. With 260 pages, the book provides a solid foundation for engaging with this complex topic, addressing both theoretical and practical questions.