Longarm’s about to hit this railroad gang like a freight train… Longarm is after a vicious gang that rides fast horses, carries telescopic rifles—and is driving up the body count on the Union Pacific railroad. But he’s also up against an aging, obsessed railroad detective who thinks this manhunt is his last chance to be a hero—and U.S. Marshal Custis Long is a glory-grabbing intruder. While the gang leaves a trail of bodies across the west, Longarm has to keep the chase from derailing like a head-on train wreck…

Longarm follows a trail of corpses two states long tohunt a lawman gone bad.

Longarm’s lassoed with an iron horse… Someone is trying to sabotage the construction of the Toynbee and Twin Rocks Railroad. A stagecoach line, bitterly opposed to the railroad, may be behind it. But since no one can prove it, U.S. Marshal Custis Long is put on the case. Asking around the towns of Toynbee and Twin Rocks, Longarm gets jumped in a dark alley. He suspects that the mugging may have been a cover for an attempted murder. Whatever the scheme is—and whoever is responsible—Longarm is damn sure going to blow holes in it…

A deadly explosion set by train robbers blows Longarm and his fellow passengers clear off the tracks. When Longarm sets out to find the culprits, his investigation leads to the death of a lowlife with friends in high places. Now Longarm is being given another chance to die.

Longarm tracks a killer to the Four Corners… When a beautiful Indian woman drops into Deputy Marshal Custis Long’s arms with a bullet hole in her head, he vows to find her murderer. But it’s the dead of winter and Longarm’s cold is bordering on pneumonia—until, that is, he receives a home remedy from Swedish nurse Olga Swenson. Once he’s fit as a fiddle, Longarm boards a train bound for Flagstaff. He’s trailing the shooter to Navajo country in Arizona, but first there is a little federal matter of someone going postal on the Flagstaff postmaster. Taking on twin outlaws, Longarm dispenses some double-barreled justice, never losing sight of his single-minded purpose—catching the coward who took a woman’s life.

Longarm locks horns with a lead-slinging lovely! While riding the plains of Utah, two census-takers venture deep into Mormon country—and end up six feet deeper. Someone wants to keep the U.S. government in the dark about the local population—and U.S. Marshall Custis Long is called in to bring some light to the situation. But before he can solve the murders, Longarm will have to uncover the identity of a mysterious, night-riding woman who has been warning trespassers to stay off Mormon land, and backing up her words with hot lead…