Join Dennis, Gnasher, and Class 3C as they embark on a chaotic school trip to London’s Natural History Museum! When dinosaur skeletons start vanishing, suspicion immediately falls on Gnasher. Can this group of young detectives solve the mystery of the missing bones and clear Gnasher’s name before disaster strikes?

• Features the iconic characters Dennis the Menace and Gnasher.
• An illustrated mystery adventure perfect for young readers.
• Involves a school trip, a forbidden dog, an evil mayor, and a mad scientist.
• Written by Craig Graham and contributors Beano and Mike Stirling.

• Brand: Farshore
• Binding: Paperback
• Color: Four-color
• Language: English
• Print Length: 192 pages
• Reading Age: 7 - 10 years
• Grade Level: 3 - 4
• Dimensions: 129 x 198 x 20mm
• Weight: 176g
• Publication Date: June 4, 2026
• ISBN-10: 0008755302
• ISBN-13: 978-0008755300

Dive into this hilarious and suspenseful mystery where Class 3C must use their wits to solve the case of the disappearing dinosaur bones and save Gnasher from trouble.