The Spook's Mistake Award-winning author by Joseph Delaney (author) (UK edition)

As danger increases, the Spook sends his apprentice, Tom, to be trained by another spook, whose methods are harsh and tough. But faced with a powerful water witch, Tom’s new master makes a fatal mistake – leaving Tom to face his enemies alone. Can the Spook get there in time to save Tom? Together, can they beat such a terrible dark power? And will the Spook’s own mistakes give final victory to the dark?