"The best account of gas and germ warfare available."
–The Washington Post
"An absorbing and unsettling history, an exhaustive exploration of a little-known but potentially apocalyptic aspect of warfare, the whole thing carrying the punch of Armageddon. It reminds us that the world could end not with a nuclear bang but in whimpers of fevered agony."
"Compelling . . . The authors make clear why governments have shrouded such weapon programs in even more secrecy than their nuclear work."