Every day, we wake up hungry. Every day, we break our fast. Hunger is both a natural and an unnatural human condition. In Hunger, Sharman Apt Russell explores the range of this primal experience. Step by step, Russell takes us through the physiology of hunger, from eighteen hours without food to thirty-six hours to three days to seven days to thirty days. In quiet, elegant prose, she asks a question as big as history and as everyday as skipping lunch: How does hunger work?