The Supernatural Bounty Hunter Files Collector’s Set (Books 1-10) by Craig Halloran

Monsters are real. Werewolves, vampires, shapeshifters, dragon-men, and things far worse stalk the shadows. Enter Smoke and Sid—an ex-con bounty hunter and a fearless FBI sharpshooter. Fans of The Dresden Files and Supernatural will devour this addictive urban fantasy adventure.