Between Silk and Cyanide

This true account of spycraft in the UK during World War II is “spellbinding...a compelling insider's view to the shadow war: intrigue and treachery, double-dealing and deception, hope and despair, triumph and tragedy” ( The New York Times Book Review ). In 1942, Leo Marks left his father's famous bookshop, 84 Charing Cross Road, and went off to fight the war. He was twenty-two. Soon recognized as a cryptographer of genius, he became head of communications at the Special Operations Executive (SO