In the New York Times-bestselling author's latest Arcane Society novel, a paranormal killer pushes an unlikely duo's powers and passions to the limit. Virginia Dean wakes at midnight beside a dead body, with a bloody knife in her hand and no memory of the evening's events. Dark energy, emanating from the mirrors lining the room, overpowers her senses. With no apparent way in or out, she is rescued by a man she has met only once before, but won't...