This is a fantastic bumper volume of classic stories from a much-loved author. The "Mystery" series follows the adventures of "The Five Find Outers" - Pip, Bets, Larry, Daisy and Fatty, as they solve the most mysterious cases with the help of their dog Buster. This first volume collects the first three stories in the series: "The Mystery of the Burnt Cottage", "The Mystery of the Disappearing Cat" and "The Mystery of the Secret Room".