Dust of the damned

the long version

"The Hell's Angels are a gang of werewolves who have escaped from Hellsgarde Penitentiary. Originally they were recruited out of eastern Europe by Abraham Lincoln to mercilessly tear the Confederates into submission at Gettysburg, thus ending the Civil War. But the Hell's Angels never returned home. They headed west--to join the legions of other ghouls... Armed with an arsenal of weapons, the deadliest being Deputy Marshal Angel Coffin, notorious ghoul hunter Uriah Zane must stop the hordes of shape-shifting creatures pushing west. Aided by a beautiful Mexican witch and necromancer, werebeasts are searching the deserts for the coveted key to the ghouls' everlasting life and final dominion over the earth--with humans as their servants. But first they must face the wrath of Zane, a man who understands better than most the twisted soul of the wolves..."--