This book examines the nature of totalitarianism as interpreted by some of the finest minds of the twentieth century. It focuses on Hannah Arendt's claim that totalitarianism was an entirely unprecedented regime and that the social sciences had integrally misconstrued it. A sociologist who is a critical admirer of Arendt, Baehr looks sympathetically at Arendt's objections to social science and shows that her complaints were in many respects justified...