Rex Hoofbeats of Vengeance Black Cyclone The King of the Wild Horses Lightning Romance Rex the Devil Horse Wild Blood The Vanishing Legion King of the Wild Horses Plunging Hoofs Parade of the West No Man's Law Guardians of the Wild Two Outlaws Stormy The Law of the Wild The Adventures of Rex and Rinty Robinson Crusoe of Clipper Island King of the Sierras The Harvest of Hate Wild Beauty