The breaking of the Enigma machine is one of the most heroic stories of the Second World War and highlights the crucial work of the codebreakers of Bletchley Pa

This book tells the story of the Anglo-American search for Germany's Signal Intelligence agencies at the end of World War II, a subject so sensitive that it was

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

Unbreakable is the edge-of-your seat true story of the codebreakers, spies, and navy fighters who helped defeat the Nazis and turned the tide of World War II—

Have you ever wondered how successful Hitler's codebreakers were at breaking Allied codes during World War 2? The wartime story of codebreaking has almost exclu