The Men Who Walk Like Wolves Series by Eric Red

Six-guns vs. werewolves in the Old West! They're hired guns. The best at what they do. They've left bodies in their wake across the West. But this job is different. It'll take all their skill and courage. And very special bullets. Because their targets this time won't be shooting back. They'll fight back with ripping claws, tearing fangs and animal cunning. They're werewolves. A pack of bloodthirsty wolfmen have taken over a small Mexican village, and the gunmen are the villagers' last hope... moreSix-guns vs. werewolves in the Old West! They're hired guns. The best at what they do. They've left bodies in their wake across the West. But this job is different. It'll take all their skill and courage. And very special bullets. Because their targets this time won't be shooting back. They'll fight back with ripping claws, tearing fangs and animal cunning. They're werewolves. A pack of bloodthirsty wolfmen have taken over a small Mexican village, and the gunmen are the villagers' last hope. The light of the full moon will reveal the deadliest showdown the West has ever seen--three men with six-shooters facing off against snarling, inhuman monsters. less

In The Guns of Santa Sangre, three 1800s gunfighters battled a ferocious pack of werewolves in Old Mexico. In the sequel, The Wolves of El Diablo, the three outlaws rob a Federale steam train in the badlands of El Diablo transporting a fortune in silver bars... moreIn The Guns of Santa Sangre, three 1800s gunfighters battled a ferocious pack of werewolves in Old Mexico. In the sequel, The Wolves of El Diablo, the three outlaws rob a Federale steam train in the badlands of El Diablo transporting a fortune in silver bars. But when a savage werewoman, hungry for revenge on the men who killed her brother, leads her bloodthirsty gang of wolfmen in an attack on the train, the outlaws find themselves trapped on a highballing railroad in the middle of the desert fighting fifty werewolves. This time it’s bigger action, more lycanthropes, more silver bullets, and much more Werewolf Western thrills! less