Cluedle: The Case of the Grindstone Goblet (Book 5)

Can you figure out Cluedunnit? Grab a pencil and join P.I. Hartigan Browne to unravel riddles, crack codes, and catch the culprit in the fifth installment in this fun, interactive puzzle adventure series.

Calling all sleuths! The fifth title in the Cluedle series of interactive mystery books for young readers takes place at Grindstone Academy, the most prestigious boarding school in England. World-renowned Private Investigator Hartigan Browne has been contacted by the headmaster Basil Thumb...