(2014) Book: "Special Heart: A Journey of Faith, Hope, Courage and Love". New York: Center Street. ISBN-10: 1455583634; ISBN-13: 9781455583638
(2017) Book: "Three Days in January: Dwight Eisenhower's Final Mission". New York: William Morrow. ISBN-10: 0062569031; ISBN-13: 9780062569035
(2018) Book, with Catherine Whitney: "Three Days in Moscow: Ronald Reagan and the Fall of the Soviet Empire". New York: William Morrow. ISBN-10: 006274836X; ISBN-13: 9780062748362
(2021) Release of his book, "To Rescue the Republic: Ulysses S. Grant".