The Science of Secrecy: The History of Codes and Codebreaking



Singh, Simon

Fourth Estate, London, 2000. 1st ed, small 4to in protected d/w, many illustrations and plates, glossary, biblio and other references, index, pp224, **a fascinating insight into the hidden world of codes and codebreaking. It presents the personal stories of the individuals whose brilliance changed the course of history, vg cond,

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