Some secrets are buried to keep them safe.Others are buried because the world is afraid of what will wake.Beneath Mount Hekla in Iceland, Dr. Mara Ellion's excavation team expects to find evidence of ancient volcanic activity. What they uncover instead is impossible: an obsidian chamber hidden under the mountain, a place where memory behaves like a living force, names can vanish from records and minds, and three ancient protective shells wait in silence.For Kai Vey,...