Texas Paladin, Death Wish

Two young Texas Rangers are murdered by a hardened border criminal, and Jubal Coe straps on his Colt and heads for the border to find out who did it and bring them to justice. He's joined by the father of one dead Ranger and the uncle of another. They hunt down the shrewd mastermind behind the killing and confront him with hot lead and Ranger justice. Another exciting novel of the old West by R. O. Lane