Crookhaven Series 4 Books Collection Set by J.J. Arcanjo (The School for Thieves, The Forgotten Maze, The Island Heist, The Impossible Fortress). 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. It's Gabriel's second year at Crookhaven School for Thieves. And with a tricky Break-In challenge to the teacher's section of the library to attempt, plus a new class called Reclamation, his Miscreant year is already off to a busy start. Then Gabriel and his friends learn about Maravel's Maze. Hidden deep beneath the lake, forgotten about by the school, it's a labyrinth of obstacles. Each tests a crook-related skill - and all are nearly impossible. It's Gabriel's third year at Crookhaven School for Thieves. Along with the usual Break-In challenge - this year to Reclamation island - and difficult new classes like Signs & Signals, Gabriel and his friends have another goal: taking down the Nameless. The Nameless are the very worst type of - they steal, trick and kidnap for their own benefit, rather than to do good in the world. Each member of Gabriel's crew has a very personal reason for wanting to take the Nameless down - but what can a group of underage school children do compared to the most powerful crew of the underworld? It's Gabriel's fourth year at Crookhaven School for Thieves, and it's the most challenging one yet. Along with mastering a new class - Lay of the Land - Upper Delinquents are supposed to start thinking about life after Crookhaven. Their schoolwork is beginning to have real world implications, and this year's Break-In challenge is set in an external.