The ghoulishly funny sequel to Groosham Grange by number one bestselling author Anthony Horowitz.In the wickedly funny sequel to Groosham Grange by bestselling author Anthony Horowitz, someone is trying to destroy David Eliot's school. A year ago, he'd have been happy to see the end of Groosham Grange and its ghoulish teachers. Now, he's on course to win the Unholy Grail, a cup of magical power pr...