Win a copy of Cluedle: The Case of the Grindstone Goblet

Closing Date: 1st August 2025

Can you work out Cluedunnit? Perfect for mystery fans, Cluedle: The Case of the Grindstone Goblet is a funny, mystery puzzle book for code-cracking families and skilful young super sleuths. 

Team up with world-famous private investigator Hartigan Browne and solve 60 fun brain-busting puzzles to help the headmaster of Grindstone Academy (the most prestigious school in the English countryside!) recover their prized possession: the Grindstone Goblet.

Use your detective skills to work out:
• Why have all the books in the library been moved?
• What is the treasure of immense worth?
• Can the key to finding the Gleaming Goblet be found in a poem from William Shakespeare’s Macbeth?

Packed full of codes to crack, evidence to evaluate, clues to unravel and maps to navigate, Cluedle: The Case of the Grindstone Goblet is puzzling fun for the whole family. The perfect activity book for holidays, car journeys and rainy days!

Cluedle: The Case of the Grindstone Goblet is published by Macmillan Children's Books | RRP £9.99

We are giving away five copies of Cluedle: The Case of the Grindstone Goble. For your chance to win, simply answer the following question:

In what year was William Shakespeare's Macbeth first performed?

a) 1506

b) 1606

c) 1686

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