Russia's attempt to consolidate its authority in the North Caucasus has exerted a terrible price on both sides since the mid-nineteenth century. Michael Khodarkovsky's book tells the story of a single man with multiple allegiances and provides a concise and compelling history of the mountainous region between the Black and Caspian seas. After forays beginning in the late 1500s, Russia tenuously conquered the peoples of the region in the 1850s;...