Book ReviewsEric Burns. The Smoke of the Gods: A Social History of Tobacco. Philadelphia: Temple University Press, 2007. 270 pp.; index. $35.00.Allan M. Brandt. The Cigarette Century: The Rise, Fall, and Deadly Persistence of the Product That Defined America. New York: Basic Books, 2007. 600 pp.; 32‐page photo insert, index. $36.00.