Join hip teen detective Ricky Riddlegang and his trusty Riddle Gang as they solve the mystery of the haunted manor and put the perpetrator to death. Spectres, suspects and shenanigans abound as the Gang delve into an enigma that threatens to devour them all... Uncle Eustace Riddlegang's ancestral collection of clues and hints has gone missing. This makes tracking down the culprit difficult as it's completely impossible to tell what clues and hints are relevant. But which of the one previously introduced characters could the culprit actually be?