In this riveting collection, available for the first time in paperback, we follow Harry S. Truman and Dean Acheson, two giants of the post-World War II period who were primarily responsible for the Marshall Plan and NATO, among other world-shaping initiatives, as they move from an official relationship to one of candor, humor, and personal expression. In these letters, spanning the years from when both were newly out of office until Acheson's death at the age of seventy-eight, we find them sharing the often surprising and always illuminating opinions, ideas, and feelings that the...