Based on newly opened Vatican archives, a groundbreaking, explosive, and riveting book about Pope Pius XII and his actions during World War II, including how he responded to the Holocaust, by the Pulitzer Prize–winning author of The Pope and Mussolini“Splendid . . . The Pope at War ends much of the debate about the pope and surely makes any lingering apologia for his stance implausible.”—Ian Kershaw, author of Hitler: A Biography When Pope Pius XII died in 1958, his papers we