After exposing the sinister underground society of students known as the Knights of Charlemagne, Will West stays at the Centre over the summer to explore his newly developing physical and mental abilities.
Meanwhile, his roommates investigate the Knights' shadowy purpose and discover unsettling information about their own backgrounds.
Will and his friends must quickly figure out what's going on and separate friend from foe as they prepare for the coming fight.
- Format: Paperback
- Pages: 352 pages
- Publisher: Random House Children's Publishers UK
- Publication Date: 26/12/2013
- Category: Thrillers (Children's/YA)
- ISBN: 9780552565332