"So this is really a school for criminals." It was meant as a question, though it came out more as an accusation.

"We are so much more than that," Caspian said, sitting in a plush leather chair and gesturing for Gabriel to sit in a similar one across the table. "We are a home for the forgotten, a sanctuary for the lost and ... yes, a training ground for the greatest crooks of the future."

13-year-old Gabriel is a brilliant pickpocket, a skill which he uses to keep his often empty belly not quite so empty. And then one day, he's caught.

But instead of being arrested, he is invited by the mysterious Caspian Crook to attend Crookhaven - a school for thieves. At Crookhaven, students are trained in lock-picking, forgery and 'crim-nastics', all with the intention of doing good out in the world, by conning the bad and giving back to the innocent.

But ... can you ever really trust a thief?