Stalinism surveys the efforts made in recent years by professional historians, in Russia and the West, to better understand what really went on in the USSR between 1929 and 1953, when the country's affairs were shrouded in secrecy. The opening of the Soviet archives in 1991 has led to a profusion of historical studies, whose strengths and weaknesses are assessed here impartially though not uncritically. While Joseph Stalin now emerges as a less omnipotent figure than he seemed to be at the time, most serious writers accept that the system over which he ruled was despotic and