An ancient evil lurks just beneath the surface of our world in this splendidly dark horror tale inspired by ancient folklore, history, and mythology. A decade ago, teacher Nathan Brookes saw four of his students walk up a hill and vanish. Only one returned--Olivia--starved, terrified, and with no memory of where she'd been. Questioned by the police but released for lack of evidence, Nathan spent the years trying to forget. When...