This is the autobiography of John Cairncross, the man who gave the Russians the decrypt of the ENIGMA code, thus enabling them to win the battle of Kursk and tu

Donald Maclean was a star diplomat, an establishment insider and a keeper of some of the West’s greatest secrets. He was also a Russian spy... Codenamed ‘Or

This thrilling account of WWII espionage by the former French secret service chief chronicles an Allied spy’s actions in the German Cipher Office. A spy for t

Your Mission: Find Victor’s missing sketchbook using spycraft tools to uncover hidden codes! It’s a true story of deception: Meet the top-secret Ghost Army,

December, 1932 In the bathroom of a Belgian hotel, a French spymaster photographs top-secret documents – the operating instructions of the cipher machine, Eni