A bloody gun feud between rival freight haulers threatened to rip apart the peace and quiet of Sanderson, Texas until Walt Slade - the undercover Texas Ranger - compelled law and order. But each side accused the other of murder as a brutal series of killings, robberies, and bank hold-ups roused the passion of the warring factions. Slade knew different. He knew that the clever, cruel pattern of the crimes was the unique work of a special breed of outlaw....

The terse command cracked through Texas Ranger headquarters like a rifle shot - and no one had to be told that the most dangerous assignment ever handed out was custom-made for the coolest lawman of them all, Walt Slade! For a hot, bloody week Slade haunted the trail of the vicious outlaw whose senseless cruelties shocked El Paso. One by one he whittled down Juan Covelo's gang of killers, but always the black-hooded leader escaped his blazing irons. Now...

A RACE WITH DEATH! The mighty bridge crossing the Rio Grande was to be the final step in the completion of the railroad and the taming of the West. But when Ranger Walt Slade saw the plans, he knew there was a sinister enemy at work - for the bridge was being built deliberately so that it would collapse at the first flood! Tracking his hidden adversary, facing ambush, arson, and dynamite blasts, the undercover ace of the Texas Rangers fights through...

Violence and rumored rebellion had turned the border country into a powder keg primed to explode at any second. The mysterious "Liberator" called for war - and men who spoke against him died suddenly! Walt Slade, undercover ace of the Texas Rangers, rode into Matamoros, a one-man task force with the deadly job of stopping a revolution before it started. For Slade knew that "The Liberator" was none other than Veck Sosna, the most ruthless outlaw Texas...

Skeleton Trail was lined with the corpses of countless peons, ranchers, and lawmen who had died or vanished at the hands of Veck Sosna and his vicious Comancheros. Walt Slade found the trail and followed it into the dread Valley of Tears where Sosna and his killer gang holed up between the sudden, ruthless raids they made, Then Slade moved singlehanded into the valley where sudden death marked every step!

Welcome to a Texas Boom Town - Where outlaws ride roughshod and lawmen are laid low! Where a vicious gang, greed-crazed for gold, guns down anyone who stands in their path! Where Walt Slade, undercover ace of the Texas Rangers, is marked for death because he alone knows the twisted trail that led to their deadly secret! This is another in the long-running series of exciting Westerns about Walt Slade, the most fearless of the Texas Rangers.

Ghosts on the range -- fearsome figures in gleaming armor, spirits of the conquistadores --striking terror into the herdsmen of Texas' Matagorda Bay country.... But maybe, Slade told himself, they're not ghosts -- just smart owlhoots wrapped in tin plate.... So the Ranger ace went "ghost"-hunting -- with hot lead and fighting fury! But Slade didn't know how close he himself would come to being made a ghost....--Amazon

Walt Slade, ace lieutenant of the Texas Rangers, is the man most feared by the owlhoots and drygulchers of the old Texas Border. The sight of this tall lawman with the lightning-fast draw astride his great black horse, Shadow, symbolizes defense of the innocent and the end of reckless careers of lawlessness. Walt travels undercover, keeping his Ranger status a secret. To many, he is known as El Halcon and believed to be an owlhoot who is too good...