Book Three in the Wolf Breeds series.

 The forces of survival and destruction swirl in the darkest corners of men's minds. The nature of the beast cannot be harnessed, and survival is the purest of all instincts. Survival of the species itself goes soul deep.
 
But can the human heart accept and adapt as easily? Can Charity bestow the love and the acceptance that has always been a part of her, to the man whose very survival depended on the hardening of his heart, of his soul? And can Aiden maintain that cruelty now, in the face of the sacrifices she made? Only time and nature can tell