As of 2015, the complete set of Geronimo Stilton contains the first 50 books of the series including "Lost Treasure of the Emerald Eye," "The Curse of the Cheese Pyramid," "Cat and Mouse in a Haunted House," "I'm Too Fond of My Fur!," "Four Mice Deep in the Jungle," "Paws Off, Cheddarface!" and "Red Pizzas for a Blue Count." Readers can also purchase the series starter set, which contains the first 10 books. The Geronimo Stilton series is a set of chapter books suitable for children ages seven to 10.
Geronimo Stilton is a children's book series published by Edizioni Piemme in Italy; the English-language version of the series has been published since February 2004. The series stars Geronimo Stilton, who is a talking mouse living in New Mouse City who works as a journalist for "The Rodent's Gazette" and has a sister named Thea. The series also features his cousin Trap and nephew Benjamin. Each book is a story of the adventures Geronimo experiences with his family. "Lost Treasure of the Emerald Eye" is the first book of the series.
Other books included in the complete set of Geronimo Stilton are "A Cheese-Colored Camper," "The Wild, Wild West," "The Peculiar Pumpkin Thief," "The Mouse Island Marathon," "The Haunted Castle" and "The Mystery in Venice."