- I'm too fond of my fur!, Geronimo Stilton ; [illustrations by Larry Keys]
- Red pizzas for a blue count, Geronimo Stilton ; [translated by Edizioni Piemme]
- The hour of magic, the eighth adventure in the kingdom of fantasy, Geronimo Stilton
- A fabumouse vacation for Geronimo, Geronimo Stilton
- The secret of Cacklefur Castle, Geronimo Stilton ; [illustrations, Larry Keys, Blasco Tabasco, and Toffina Sakkarina ; English translation by Edizioni Piemme S.p.A.]
- Stilton, Geronimo, Geronimo Stilton
- Superstore surprise, Geronimo Stilton ; illustrations by Daria Cerchi, Ivan Bigarella, and Valeria Cairoli ; graphics by Marta Lorini ; translated by Emily Clement
- Slime for dinner, Geronimo Stilton with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barber ; story by Elisabetta Dami ; translated by Emily Clement ; lettering by Kristin Kemper
- The treasures of the kingdom, the sixteenth adventure in the Kingdom of Fantasy, Geronimo Stilton ; illustrations by Carla Debernardi, Silvia Bigolin, and Andrea Alba Benelle ; translated by Julia Heim
- A cheese-colored camper, [text by Geronimo Stilton]
- The battle for Crystal Castle, Geronimo Stilton's thirteenth adventure in the Kingdom of Fantasy, Geronimo Stilton ; cover by Danilo Barozzi [and 2 others] ; illustrations by Silvia Bigolin [and 4 others] ; translated by Julia Heim
- The wild, wild West, [text by Geronimo Stilton]
- Back in time, the second journey through time, Geronimo Stilton ; illustrations by Danilo Barozzi [and 8 others] ; translated by Julia Heim
- The Mona mousa code, Geronimo Stilton ; [original cover by Matt Wolf; revised by Larry Keys ; illustrations by Matt Wolf
- The great rat rally, Geronimo Silton with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barba ; translated by Emily Clement
- The phantom bandit, Geronimo Stilton
- My name is Stilton, Geronimo Stilton, Geronimo Stilton
- The Super Chef contest, Geronimo Stilton
- The Karate mouse, Geronimo Stilton ; [illustrations by Fabio Bono ... et al.]
- Geronimo on ice!, Geronimo Stilton ; illustrations by Danilo Loizedda and Daria Cerchi ; translated by Andrea Schaffer