Mark of the Moon- The Begining

Jay, a thirteen year old boy, turns into a large black wolf in his sleep. With no other option, he joins a nearby pack of wolves in the wilderness. After the Wood Pack finally trusts him, they find out he has the mark of the Moon on his hind paw. Along the way, he meets a friend, Bird. He isn't sure if he loves her as a friend, or a mate. Then one day something terrible happens, and she's gone.