Author: Beano
Interest age: from c 7 years
Published on 4 June 2026 by HarperCollins Publishers (Farshore) in the United Kingdom as part of 'the Beano Fiction' series.
Paperback | 192 pages
197 x 129 x 16 | 176g
Join Dennis, Gnasher and friends on a school trip like no other!
Twelve school kids
One evil mayor
One mad scientist
One forbidden dog
A mystery afoot
The Natural History Museum won't know what hit it!
Class 3C are on a school trip to London, thanks to Rubi winning an award for her science project. However, it's not long after arriving that pieces of dinosaur skeletons start to disappear from the museum ¦ and who better to blame than Dennis's bone-loving companion?
Can the friends solve the mystery of the missing bones and get Gnasher off the hook before something terrible happens?