A gripping and groundbreaking history of how ancient cultures developed and used biological, chemical, and other unconventional weapons of warFlamethrowers, poison gases, incendiary bombs, the large-scale spreading of disease: are these terrifying agents of warfare modern inventions? Not by a long shot. In this riveting history of the origins of unconventional war, Adrienne Mayor shows that cultures around the world have used biological and chemical weapons for thousands of years—and debated the morality of doing so. Drawing extraordinary connections between the mythical worlds of Hercules and the Trojan War, the accounts of Herodotus and Thucydides, and modern methods of war and terrorism, this richly illustrated history catapults readers into the dark and fascinating realm of ancient war and mythic treachery.