Geronimo Stilton’s ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure!
All the cavemice are gathered together for their favorite annual comedy show. But the grand prize, to be awarded to the funniest mouse, has been stolen . . . and Geronimo Stiltonoot is the main suspect! It’s up to Geronimo to prove his innocence – or he’ll end up in enormouse trouble!