A Washington Post Best Book of 2001, Scourge provides a definitive account of the dramatic story of smallpox by a leading expert on biological and chemical weapons (The New York Times). Jonathan B. Tucker traces the history of the smallpox virus from its first recorded outbreak around 3700 B.C. through its use as the first biological warfare agent in human history, and draws some decisively important lessons for the future. In a timely debate, Tucker...