Jim Butcher's The Dresden Files: Dog Men (Jim Butcher's The Dresden Files: Dog Men #5)

Harry has uncovered the party responsible for the Martineaux family massacre. But unfortunately for Harry, there's more than one killer. In fact, the number is closer to fifty-an entire clan of flesh-devouring ghouls! And to survive, Harry may have to acquiesce to an alliance with a group he trusts even less than supernatural creatures?