Book excerpt: From Afghanistan to Zimbabwe, this comprehensive reference work covers the monetary systems of 203 countries and four confederations. It provides historical and orthographical information for all monetary systems according to country. Chronologies show the evolution of each monetary unit. Orthographies summarize the commonly accepted English spelling of the unit names (singular and plural) as well as known abbreviations and symbols. A glossary lists all the monetary units alphabetically, identifies their countries, and reveals the etymologies of the unit names.