Codebreakers and Spies (Smith Michael)(Pevná vazba)

The Bletchley Park codebreakers who solved the Enigma Cipher and the Double Cross system that "turned" German secret agents helped cut the war by years and ensured the success of D-Day. Historian Michael Smith thrillingly recounts new details about these operations, with stories that range from extraordinarily courageous to bizarre, with desperation driving intelligence services to recruit astrologers and even a stage magician to help retrieve intelligence and
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