Valley of Shadows - Custodians of America Series, #1

Steeped in centuries of tradition and in accordance with the Laws of Lupine. When the daughter of an Alpha comes of age, she stands before her pack as the prized female. Held in the Valley of Shadows, on All Hallows Eve is a twisted game of survival. Only the eldest unmated son of the Alpha's may compete for if they fail it means they are dead. It is part of an ancient ceremony one that will bring packs together from far and wide.
It's an honor to be chosen to run the gauntlet, and a disgrace not to accept.