Over 85% of Americans use significant amounts of caffeine on a daily basis, but very few of us know much about this freely available psychoactive substance. The World of Caffeine takes us on an engaging tour of the fascinating cultural history of the drug that has figured prominently in the exchanges of trade and intelligence that constitute the history and intercourse of nations. Its most common sources -- coffee, tea, and chocolate -- have been both promoted as productive of health and creativity and banned as corrupters of the body and mind or subverters of social order. Taking us from India to Balzac to cyber cafes, this is a captivating tale of psychology, religion, social classes, international trade, love, and art. - Back cover.