"Age and size ain't got nothin' to do with it," Mack's daddy once said. "You gotta want to be a cowboy." Mack Hughes wanted to be a cowboy, all right, and he was just twelve years old when he went to work for the famous Hashknife spread in northern Arizona. Growing up on the range, Mack lived a life about which modern boys can only wonder. He spins yarns of bad horses and the men who rode them, tells of wild dogs that ravaged young calves, and recalls lonely winter weeks spent at a remote camp-where his home was a shack so flimsy that snow blew through the cracks and covered his bed....