Mythologized as the era of the "good war" and the "Greatest Generation," the 1940s are frequently understood as a more heroic, uncomplicated time in American history. Yet just below the surface, a sense of dread, alienation, and the haunting specter of radical evil permeated American art and literature. Writers returned home from World War II and gave form to their disorienting experiences of violence and cruelty. They probed the darkness that...