Anne Rice's Servant of the Bones #4
Azriel awakens in modern day NYC to witness the death of beautiful, kind, Esther Belkin. Moved by her brutal sacrifice, he hunts down her killers, only to discover that there's more to her death than simple violence. Esther's stepfather, Gregory Belkin, is the head of the Temple of the Mind cult, and Azriel's new 'master'. But will this willful ghost heed Belkin's commands?