For cavemouse Geronimo Stiltonoot, life is one prehistoric problem after another!

This time, Geronimo and his friends are invited to join an exciting Stone Age treasure hunt. How fun! But there’s a catch — the hunt has been organized by Sally Rockmousen, the sneaky host of Gossip Radio and Geronimo’s biggest rival. Could it be a trick?

The challenges are tougher than expected, with tricky riddles and very stinky dinosaurs standing in their way. Still, nothing will stop Geronimo and his team from trying to uncover the treasure!