Extolziby Gruff and the 39th College

The first book in an action-packed adventure series for kids from thriller writer, Sean Black.
Twelve-year-old Extolziby lives with his family of lovable rogues, the Gruffs, on a crime ridden housing scheme in Scotland. When he is almost killed in a car accident, he finds himself transported to a secret Oxford college where regular kids are turned into super-human beings using the very latest technology.