For his many devoted readers, Philip K. Dick is not only one of the "one of the most valiant psychological explorers of the 20th century" (The New York Times) but a source of divine revelation. In the riveting style that won accolades for The Adversary, Emmanuel Carr re's I Am Alive and You Are Dead, follows Dick's strange odyssey from his traumatic beginnings in 1928, when his twin sister died in infancy, to his lonely end in...