'Nothing much happened in the seaside town of Calder Cove. Nothing that is until, with a grand and bizarre opening, a mysterious castle is revealed, out of the darkness and silence of nowhere.Townsfolk wondered was it magic? Or something more sinister?When the invited children finally step inside, the huge doors are locked, separating them from the world. It is with great trepidation that they are thrown - without warning - into the unknown and ask ... is this place really a school?They get much more than they bargain for when they stumble upon magical rooms and hidden passageways, a golden door and, most horrifically, their own doom!' (Publication summary)