Front cover image for Between silk and cyanide : a codemaker's war, 1941-1945

Between silk and cyanide : a codemaker's war, 1941-1945

Leo Marks
A World War II cryptographer chronicles his career in the Special Operations Executive, discussing his replacement of outmoded codes with one-time silk-printed codes

Print Book, English, ©1998
Free Press, New York, ©1998