Sixkiller US Marshal Books in Order

Outlaws plan to steal the combined gold payrolls of three mines while the sheriff and city marshal argue. Sixkiller conceals his badge and goes undercover to expose the robbers, navigating a town where danger lurks behind every saloon door.

Three lawmen sent to Chico, New Mexico, have been killed, so Sixkiller enters the town posing as a hired gun. Behind its brutal sheriff, land pirates plot to seize the territory and sell it to Mexico.

Cherokee lawman John Henry Sixkiller becomes a U.S. marshal after serving through war and policing Indian Territory. Hunting horse thieves and train robbers brings him against dangerous outlaws and an enemy determined to spread fear across the frontier.

A judge seeks Sixkiller's help when an executed outlaw's brother threatens vengeance against the court. Sixkiller infiltrates a criminal refuge, where a woman commanding hired killers and another hidden enemy threaten the lawman and his mission.

Sixkiller pursues a counterfeiter in San Francisco, but a woman and a Secret Service agent complicate the case. The trail leads into the Sierra Nevada, where a besieged mining town blurs the distinction between criminals and victims.

Sixkiller tracks a murderer to Ringgold, where his quarry works for the corrupt mayor. Taking a job as a hired gun allows the marshal to infiltrate the gang, but cleaning up the town proves more complicated than expected.