Rancher's Legacy — Max Brand

The youngest of seven sons, Flash Baldwin had been a wastrel his entire life. Then he became a man on a mission. His father left him a six-shooter, a thoroughbred, and the charge to avenge his death. When Flash tracked down the killer, he was primed to take him out. But a clever trick made Flash the one framed for murder. With a bounty on his head, there's no one he can trust. No matter what it takes, though, Flash will see that justice is served....