The Cheyenne Trail

Joe Blade was hunting for the men who had murdered his mother and father. All their lives Cy Hartman and Carl Roe had concealed their guilty secret—and grew rich and powerful on it. When Blade went against them they hired the best killers to bring him down. They finally cornered him in ...
At the end of a trail of death, they wondered if they'd bitten off more than they could chew. And when Charity Clayton came on the scene, they choked.

Peter Christopher Watts
(19 December 1919 — 30 November 1983)
… is the author of more than 150 novels, is better known by his pen names of "Matt Chisholm" and "Cy James". He published his first western novel under the Matt Chisholm name in 1958 (Halfbreed). He began writing the "McAllister" series in 1963 with The Hard Men, and that series ran to 35 novels. He followed that up with the "Storm" series. And used the Cy James name for his "Spur" series.