Spectregraph (Spectregraph #2)

Trapped in the Malibu mausoleum of late billionaire Ambrose Everett Hall, real estate agent Janie Chase must find a way out to get back to her infant son. Meanwhile, Vesper Quinn, the attaché for the sinister Thanatos Group, searches the mansion for the source of the occult power radiating through its walls... and coming to life before her very eyes.