Who is the mysterious burglar that disappears from the scene of the crime without a trace? The five Find-Outers and dog must discover the thief's identity before Mr Goon does. You can find out if they get to the bottom of The Mystery of the Invisible Thief. The Mystery series follows the adventures of 'The Five Find Outers' - Pip, Bets, Larry, Daisy and Fatty, as they solve the most unusual crime cases with the help of their dog Buste