Cluedle - The Case of the Dumpleton Diamond : 50 Fiendishly Fun Mystery Puzzles

Author: Hartigan Browne

Interest age: from c 9 years

Published on 15 October 2026 by PAN MACMILLAN (Macmillan) in the United Kingdom as part of 'the Cluedle' series.

Paperback | 224 pages
198 x 131 | 160g

Can you work out Cluedunnit?! Team up with world famous private investigator Hartigan Browne to solve 50 fun brain-busting puzzles and crack the curious case of the missing Dumpleton Diamond.

Use your detective skills to discover:* Who pup-napped Dave the dog?* What is important about The Flying Goat?* Why a missing key can unlock this case?Packed full of codes to crack, evidence to evaluate, clues to unravel and maps to navigate, Cluedle - The Case of the Dumpleton Diamond is a funny, mystery puzzle book for code-cracking families and skilful young super sleuths. The perfect activity book for holidays, car journeys and rainy days!Join Hartigan Brown to solve more mysteries in the bestselling Cluedle series with The Case of the Golden Pomegranate, The Case of the Silver Cipher and The Case of the Grindstone Goblet.

Or, if you're a super sleuth on the go, why not try Cluedle - 5 Minute Mystery Puzzles: Agent in Training and Cluedle - 5 Minute Mystery Puzzles: Round the World, and solve 50 fiendishly fast puzzles.

*Cluedle - The Case of the Dumpleton Diamond was number 1 in the Nielsen Bookscan children's non-fiction charts for three weeks commencing 7.5.2024