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.