An improbable hero, a spine-tingling adventure, and a surprising twist of fate . Gully Potchard never meant to cause any trouble. He's just an ordinary sort of boy . at least that what he thinks. But when an old acquaintance comes knocking, it isn't long before Gully is tangled up in a mess of mischief and skulduggery. Cats and dogs go astray, a child is kidnapped, and ransom notes are delivered to the wrong people! But as a storm rages and a fire blazes, Gully discovers that he has an extraordinary skill that might just make him an unlikely hero after all . Another unputdownable adventure from the author of The Mysterious Misadventures of Clemency Wrigglesworth.