P.C. Cast 
Possessed 

After Moonrise, the elite detective agency, crosses into the dark side, but it can be dangerous when the living communicate with the dead…The picture Aurora Harper’s painting is so disturbing she’s convinced she’s witnessed a murder and suppressed the memory. Now she needs Detective Levi Reid to help her track down the victim – and the killer. But Levi’s dealing with his own issues, blacking out for no reason at all. They’ll step into the dark together…but are they ready for what they might find?