Crookhaven: The Impossible FortressAn irresistible series about chosen family, high stakes thievery, and what it really means to do good. Perfect for fans of M. G. Leonard and Anthony Horowitz. It's Gabriel's fourth year at Crookhaven: The Impossible Fortress, 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,