From the No.1 New York Times, USA TODAY and internationally bestselling author of the fantastical Dark Elements and the Lux series comes a new novel set in a world of gargoyle protectors, rising demons and one girl with an explosive secret. Eighteen-year-old Trinity Marrow may be going blind, but she can see and communicate with ghosts and spirits. Her unique gift is part of a secret so dangerous that she's been in hiding for years in an isolated compound fiercely guarded by Wardens-gargoyle sha…Show more