Eve Bradley was undercover looking for a story, not a cause. But something about the man they called Subject Thirteen got her involved. The scientists said he was a devil, and they had a decent case: Terrifying power. A bad attitude. ...

Ryder Duncan keeps his secrets. With a twisted scientist starving him in a 10 by 12 cell, it's not easy to conceal the abilities that set him apart from other vampires, or his plans for escape. But survival-and revenge-are worth waiti...

Cassie Armstrong has plenty to atone for. The daughter of the most immoral researcher ever to pick up a scalpel, she's determined to use her own brilliance in genetics to repair the damage her family has done to the paranormals. Espec...