This is the fifth thrilling volume of the Mysteries Collection . 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 fourth volume collects the Thirteenth, fourteenth and final stories in the series: The Mystery of the Missing Man, The Mystery of the Strange Messages, and The Mystery of Banshee Towers.