After a fight after school, Ana Moon is suspended and assigned to mandatory psych visits. Ana hopes therapy will help her with another problem" the disturbing feeling that someone, or something, is following her. When her best friend is taken during a train crash-- by an incredible, terrifying beast-- Ana joins forces with Malik and his covert clan to find her friend and return home. But there's a larger war under way. Evil lurks in the shadows, and Ana must travel through seven parallel universes to save her friend-- and prevent the collapse of the multiverse. -- adapted from jacket.