Zhou Xun is a reader in modern history at the University of Essex. Most recently, she is the author of The People’s Health: Health Intervention and Delivery in Mao’s China, 1949–1983. Sander L. Gilman is distinguished professor of the liberal arts and sciences as well as professor of psychiatry at Emory University. A cultural and literary historian, he is the author or editor of more than ninety books, most recently Stand Up Straight: A History of Posture, with Reaktion Books. Together, Xun and Gilman are the coeditors of Smoke: A Global History of Smoking, also published by Reaktion Books.