Coffee: A Dark History
 Although he is unable to determine exactly when and where coffee was first consumed, Wild believes that its effect as a stimulant was first discovered by Ethiopian farmers. He also describes its adoption by Sufi Islam and then Arab society in general. Wild describes the global supply chain of coffee in detail. He quotes an estimate by the World Bank that 500 million people are involved in the global coffee trade. He is particularly critical of Starbucks and Nestlé, viewing them as complicit in neocolonial oppression of African farmers. He advocates the purchase of Fair Trade coffee as a way to help Third World farmers. Wild also discusses the health effects of caffeine. He believes that excessive caffeine consumption poses a risk to human health. He also argues that the coffee industry has produced flawed information that distort the actual effects of caffeine.