The Half-Breed — J.T. Edson

Like the man the mob was trying the lynch, the Ysabel Kid was half Comanche. He was a crack shot with a Colt Dragoon, a master of the border country art of cut-and-slash, and the fastest shot with a Winchester Yellow Boy repeater Texas had ever seen. Of course the mob didn't know that. All they say was a baby-faced kid in black who needed to be taught a lesson...