Can you work out Cluedunnit? For mystery fans, a brand new puzzle book for code-cracking families and skilful young super sleuths. Team up with world famous private investigator Hartigan Browne and crack the curious case of the Dumpleton Diamond by solving 50 fun brain-busting puzzles. A funny and intriguing mystery story sets the scene in the village of Dumpleton where detectives need to discover: Who pup-napped Dave the dog?;What is important about The Flying Goat?;How the Dumpleton Diamond went missing?;Why a missing key can unlock this case?