The revolution of 1905 challenged not only the social and political structures of imperial Russia but the sexual order as well. Throughout the decade that followed-in the salons of the artistic and intellectual avant-garde, on the pages of popular romances, in the staid assemblies of physicians, psychiatrists, and legal men--the talk everywhere was of sex. This eagerly awaited book, echoing the title of a pre-World War I bestseller, The Keys...