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Seizing the Enigma: The Race to Break the German U-Boats Codes, 1939-1943
Seizing the Enigma The Race to Break the German U-Boats Codes 1939-1943 Author:David Kahn For almost four desperate years, from 1939 to mid-1943, the British and American navies fought a savage, losing battle against German submarine wolfpacks. The Allies might never have turned the tide of that historic battle without an intelligence coup, and the race to break the German U-boat codes is one of the last great untold stories of World... more » War II. Now David Kahn, the world's leading historian of cryptology, brings to life this tense, behind-the-scenes drama for the first time.« less