When he arrived in Moscow in 1851, a young Leo Tolstoy set himself three immediate aims: to gamble, to marry, and to obtain a post. At that time he managed only the first. The writer's momentous life would be full of forced breaks and abrupt departures, from the death of his beloved parents and tortuous courtship to a deep spiritual crisis and an abandonment of the social class into which he had been born. He also made several attempts to break up...