The Slaughter House Files: Book One: Serial Werewolf

FBI Special Agent in Charge and former Marine Frank Masters always thought things that bumped in the night were not real, and could never possibly exist. Until he was told that he was to head up a clandestine field office with his own crew and unlimited resources, but can they handle the task at hand, while keeping it all a secret?
A series of brutal murders have him chasing a creature with a taste for blood and human hearts stemming from an ancient bloodline tracing back to the gods. Can Frank Masters with his partner Jeremy Green stop the creature before its blood-thirsty rampage destroys a small Vermont town?