Their conquest was measured not in miles but in degrees of longitude. They smashed the gates of empires, overthrew kingdoms, diverted rivers, and depopulated entire countries. They were the Mongols of Genghis Khan, swift and merciless but also resourceful, bold, and cunning. Their tale has seldom been told in the West, and never by an author with the acumen of Harold Lamb. Ride with young Temujin as he outwits schemers and assassins...