内容简介：
Nightmares and strange hallucinations. Creatures haunting his bedroom closet. Why are these strange things happening to eleven-year-old Nate Cole? Life for Nate is sad and lonely since a family tragedy one year ago. All he wants is for his family to go back to being normala]but the road to normal sometimes leads to strange places. In a dream, Nateas twin sister Annalyn calls out to him for help. Nate would do anything for Annalyn, even risk his life in a quest to save the planet from an evil sorcerer. Except there is one problem that troubles Nate, and finding the answer will lead him on an adventure beyond our own: How can Annalyn need his help when she died one year ago?