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Between Silk and Cyanide : A Codemaker's War, 1941-1945
Between Silk and Cyanide A Codemaker's War 19411945 Author:Leo Marks Between Silk and Cyanide As a cryptographer driven to improve the security of secret codes for Britain's Special Operations Executive (SOE) during World War II, Marks used wit and tenacity to find effective vehicles for safe communication among Allied agents. "Between Silk and Cyanide" chronicles his quest for foolproof codes--an e... more »ndeavor that led to his involvement in some of the war's most secret operations. of photos.« less