Dead iron

Cedar Hunt, a bounty hunter cursed with lycanthropy in an age where men, monsters, machines, and magic are at odds with one another, receives hope that the brother he thought he lost may still live, but to save him, Cedar must find the Holder, a powerful device owned by Shard Lefel, a railroad tycoon in Hallelujah, Oregon, who also happens to be an ancient Strange who has plans to use the Holder to preserve his mortality.