Stalin's life is one of the most extraordinary of the modern era and Stephen Kotkin's new biography is the first to do full justice, both to the man himself and to the world which he both dominated and ruined. This second volume is the story of the 'mature' dictator - a figure who had no precedent in ability to shape the USSR and its people. It is the great achievement of this book that it places Stalin both in the context of his day-to-day life in the Kremlin and in the far wider Communist world of which he was the apex. The terror state, the industrial state and the ideological state were all brought together by Stalin and no account of the inter-war world will be complete now without Kotkin's book. It ends when the 'waiting for Hitler' finally came to an end, transforming the nature of the threat faced by both Stalin and the whole society he had shaped.