The Secret War

The role of codes and codebreakers in World War II has captured public attention recently in The Imitation Game, the biopic about Alan Turing, and the BBC’s miniseries, “The Bletchley Circle.” Bestselling author Max Hastings notes in his introduction to The Secret War: Spies, Ciphers, and Guerrillas, 1939-1945 that his book doesn’t aspire to be…