Birthright: Book One in the Shepherd's Moon Saga

Birthright werewolves were once the companions of kings. They lived among humans as pets and guardians until it was discovered that the Bite of a Birthright passes an infection that creates a more violent and uncontrollable werewolf called Sauvage. Only humans are susceptible to the Bite and most quickly go insane, unable to handle the wolf that is thrust inside them. They are taken over by the wolf and morph into monsters. Few are capable of controlling their wolves and they are indeed the...