...money should be portable, durable, divisible and distinguishable (and) something that everybody wants."" After this introductory definition, the author des back through antiquity and forward to the present to discuss all forms money has taken such as -- dog's teeth, and Chinese knife money -- and he never forgets to explain why the people found these odd items desirable. His discussion of coinage and paper money gives careful attention to how these systems were introduced as well as the many problems that led to their standardization. Generously illustrated with black and white drawings of money and minting.