Liliana Frye is a Custos - an immortal being with superhuman powers. It's a life that many would love to have, and yet Liliana's hasn't been easy. Her powers are greatly desired by Duana, a Custos whose main aim is to steal as many powers as she can to become the greatest of all. The Book of Custos contains the information that Duana needs to take the powers, but she doesn't have it. Liliana's family have the book. Duana has Liliana, along with hundreds of Custos in her crystal ball prisons. It's only a matter of time before she figures out the ritual and puts everyone's lives in danger. The action-packed final book in the Liliana Trilogy will keep you hooked until the very last page.