The first account of the most astounding cryptanalysis coup of World War II - how the British broke the German code and read most of the signals between Hitler and his generals throughout the war.

Includes index.

Introduction -- Science to the Rescue: The Birth of Ultra -- The Plan -- The Battle of France -- Interlude -- The Battle of Britain -- Operation Sea Lion -- The African Campaign -- Alamein -- Naval Affairs and Briefing the Americans -- 'Torch' -- 'Husky' -- 'Avalanche' -- Preparation for 'Overlord' -- The Battle of Normandy -- Hitler's Miracles -- The Beginning of the End -- Arnhem -- The Japanese War -- Hitler's Ardennes Offensive -- Götterdammerung -- Conclusion.