Mysteries: "Mystery of the Burnt Cottage", "Mystery of the Disappearing Cat", "Mystery of the Secret Room" v. 1

This collection includes "The Mystery of the Burnt Cottage", "The Mystery of the Disappearing Cat" and "The Mystery of the Secret Room". The five friends team up to solve some baffling mysteries, to the displeasure of the local policeman, PC Goon, who can't keep up with the clever young detectives.