Can you work out Cluedunnit at Christmas? A perfect gift or stocking filler for mystery fans, Cluedle - The Case of Rudolph's Revenge is a fantastic festive 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 by solving 80 fun brain-busting Christmas puzzles. Packed full of codes to crack, evidence to evaluate, clues to unravel and maps to navigate, Cluedle - The Case of Rudolph's Revenge is puzzling fun for the whole family.