The vengeance trail - J. D. Kincaid

After saloon girl Kitty O'Hara shoots Billy Tranter in self-defense, she flees town in terror of the consequences and heads north out of Texas. Kitty is pursued by Billy's elder brother, Captain Johnnie Tranter of the Texas Rangers, who is determined to exact revenge for Billy's death. Johnnie's plans are thwarted, however, when Wolf Brennan's gang hold up Kitty's stagecoach and she escapes with the outlaws. Meanwhile, the famous Kentuckian gunfighter, Jack Stone, is on the case. It might take all of his courage and resourcefulness to bring the matter to a satisfactory conclusionbut they don't come tougher or deadlier than Jack Stone.