The award-winning New York Times bestseller about the American women who secretly served as codebreakers during World War II--a "prodigiously researched and eng

“An absorbing and thoroughly well documented account” of WWII naval intelligence and the Allied hunt for the Nazi code machine known as the Enigma (Warship)

The dramatic, untold story of the brilliant team whose feats of innovation and engineering created the world’s first digital electronic computer—decrypting