Geronimo Stiltonoot, Geronimo Stilton’s ancient ancestor, is in big trouble and is desperate to get out of it. Someone has stolen the grand prize for the annual comedy show, and he is made the main suspect.Summary of the BookThe cavemice are excited about the annual comedy show and are getting ready to show off their talent. There is a grand prize for the funniest mouse in the house. However, trouble starts brewing when the prize gets stolen. Geronimo Stiltonoot is made the main suspect as he said he had a cold and went to bed early. It is very important that he proves his innocence before he is in major trouble.About Geronimo StiltonGeronimo Stilton is the pseudonym of the famous Italian writer Elisabetta Dami. She has written the famous series of books on Geronimo Stilton. She co-owns the Italian based publishing company called Edizioni Piemme. She likes to get all her ideas through her travels to places around the world.