Dr. Peter Hart is hearing voices-not usually a good thing for a psychologist. His wife of twenty-five years has died, and the world is on the brink of nuclear Armageddon. Islamic extremists have already destroyed the first of four targets with a nuclear bomb. Can Peter find peace-for himself, and the world-before even greater devastation? Haunted by Einstein's warning that "The unleashed power of the atom has changed everything save our modes of thinking,...