Kluger has written books of fiction and social history. He is the author of six novels (and two others with his wife, Phyllis). Two of his books are National Book Award finalists, Simple Justice and The Paper (a history of the Herald Tribune). Moreover, his historical study of the American cigarette business, Ashes to Ashes, won the Pulitzer Prize. Most recently, he has completed Seizing Destiny, an extended investigation of how the current territory of the United States was amassed.