Thirteen-year-old David Eliot was a disappointment to his parents. But to be sent to Groosham Grange? Hidden away on a lonely island, Groosham Grange is a school that is unknown to the outside world. Pupils are forced to sign their names in blood. An English teacher is held together entirely with bandages. A soccer ball is made of … well, you’d rather not know.

What is the chilling secret hidden behind the headmaster’s door? And why are students disappearing in the middle of the night? Suddenly, David has a lot more to worry about than pleasing his parents - like survival!