Richard Dawkins, whom Discover magazine recently called "Darwin's Rottweiler" for his fierce and effective defense of evolution, now turns his considerable intellect on religion, denouncing its faulty logic and the suffering it causes. He eviscerates the major arguments for religion and demonstrates the supreme improbability of a supreme being. He shows how religion fuels war, foments bigotry, and abuses children, buttressing his points with historical and contemporary evidence. In so doing, he makes a compelling case that belief in God is not just irrational, but potentially deadly.