There is something evil inside the school called Chimney House. It has slumbered for 150 years, dismissed as a rumour by teachers...but the kids have heard scratching sounds late at night, from behind the panels of the Games Room. During the long summer holidays, a bored girl and a runaway boy break into the vacated school. Awakening the evil. And trapping themselves in a maze of shuttered corridors. A maze forcing them downwards, to a cellar and its grisly occupant... BOOK 1 OF THE HUMAN XPERIMENTS SERIES