""Keeper of the Keys: A Life of Pope Pius XII"" is a biography written by Thomas McDermott about the life of Pope Pius XII, who served as the head of the Catholic Church from 1939 until his death in 1958. The book provides a detailed account of the Pope's life, including his upbringing in Rome, his education, and his rise through the ranks of the Church. McDermott also discusses Pius XII's controversial actions during World War II, including his response...