Edge of Desire By Rhyannon

No one ever suspected that Sheriff Riley Buchanan, a local hero, was driven by a dark fear that his ancestral blood would one day transform him into a monster. Now, hunted by his family’s brutal enemies, Riley, in search of ancient weapons, comes face-to-face with a woman he had given up years before….

Hope Summers still makes him ache with hunger – for her body and her blood, and Riley wants nothing more than to possess her in every way possible. Still, he knows he must keep his distance. Though fate has other plans….