One of the great folk legends of the Wild West, William H. Bonney went from cowboy and rancher's gunslinger to a pure outlaw, forever dodging justice in New Mexico before it was even a state. On the one hand, he was charming, fun-loving, often present at social events, quite appealing to the ladies. Also conversant in Spanish, "Billito" was popular with the Spanish speaking crowd. On the other hand, he had no compunction to coldly kill a man, a sheriff,...