GHOST OF A SHADOW : book one of the sadie myers chronicles

Is this The End of Sadie Myers? Ever since tragedy struck her family one year ago, Sadies life has become a dark brew of unearthly visions and vivid dreams in which a mysterious shadow man follows her every move. Are all these bizarre happenings real or figments of this fifteen-year-olds troubled mind? When shes pulled into a world so different from her own, everything she thinks she knows is turned upside down. Will she find the truth behind these unsettling episodes? Can Sadie walk through the shadows, the fear of unknown evil, and get to the other side alive?