Born of a German father and a Russian mother, Richard Sorge moved in a world of shifting alliances and infinite possibility. In the years leading up to and during the Second World War, he became a fanatical communist – and the Soviet Union`s most formidable spy.Combining charm with ruthless manipulation, he infiltrated and influenced the highest echelons of German, Chinese and Japanese society. His intelligence proved pivotal to the Soviet counter-offensive in the Battle of Moscow, which in turn determined the outcome of the war itself.Drawing on a wealth of declassified Soviet archives, this is a major biography of one of the greatest spies who ever lived.