The international bestseller critically acclaimed as undoubtedly the most important book ever written on Soviet espionage The book benefits from ex KGB Colonel Gordievsky's unique access to top-secret intelligence during his 23 year career. The book provides solutions to some of the major intelligence mysteries of modern times, and revealed for the first time the identity of the British `Fifth Man,' along with a number of other important revelations. It also highlights the Kremlin's greatest fears and failures, and gives details of their operations against a diverse range of targets...