Claiming the Wolf — Michele Hauf

Werewolf Christian Hart thought he missed the action of battling vampires--until an encounter with vampiress Danni Weber. She bites him during their fight, the worst fate imaginable for a wolf. His pack would banish Hart forever if they find out. Nevertheless, Hart finds himself drawn to Danni, his sworn enemy, a woman he knows is as deadly as she is beautiful.

Then the blood hunger hits. Hart refuses to harm a mortal, even as his desire for blood and sex becomes too overwhelming to fight. His solution: turn to Danni to satisfy his cravings....