Blood Gift: Vampire's Choice 3 by V. M. Black

The billionaire vampire Dorian Thorne has searched the world to find Cora Shaw, a once-human woman with whom he has formed an eternal bond. But his triumph is shattered when Cora is attacked, sending her running from their sworn enemies. Dorian is determined to rescue her before she can come to harm-and wreak his vengeance upon those who have tried to destroy them both.