Brute Force - Shane Childress

Life's never been particularly easy for Nicholas Archer. But when he is nearly beaten to death by a frightening beast out of his worst nightmare his life goes from bad to worse. Now lost in a world he doesn't understand, Archer finds himself struggling to come to terms with the secrets that lie in his blood. Secrets that tie him to a mysterious group that defends our world from being overtaken by the denizens of another dimension. From a hellish place called Rift. Still hunted by the things that attacked him, he must learn who to trust and master his potential before it's too late. Not just for him, but for the entire city.