In 1929 Stalin plunged Soviet Russia into a coercive revolution from above, a decade-long effort to amass military-industrial power in preparation for a new war. Later in the 1930s Stalin transformed the Communist Party into a servile instrument of his personal dictatorship. In 1939 he concluded a pact with Hitler that enabled him to impose his revolution on parts of Eastern Europe while Hitler made war on the West. With the publication of 'Stalin In Power', this pivotal sequence of events at last acquires a its interpretive history.