It was just another day for Geronimo Stilton and he was finishing off work so he could get home to his cozy crib. In the evening, he opened a letter from Uncle Stingysnout. It said that his uncle needed to see him immediately. He was quite excited about it and headed straight for Penny Pincher Castle. He was positive that this was going to be a fun visit and he needed a break. When he reached, he was in for an unpleasant surprise as Uncle Stingysnout put him straight to work. The vacation was terrible as it involved dealing with moldy mozzarella.

Geronimo 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.