- A Christmas carol, [adapted by] Geronimo Stilton ; based on the novel by Charles Dickens ; [illustrations by Andrea Denegri and Edwyn Nori] ; [translated by Emily Clement]
- Mysterious eye of the dragon, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, Daria Cerchi, and Serena Gianoli ; translated by Andrea Schaffer
- The journey through time, Geronimo Stilton ; translated by Lidia Tramontozzi
- Stilton, Geronimo, Rodent's gazette, #13
- A mammoth mystery, Geronimo Stilton ; illustrations by Giuseppe Facciotto (pencils), Livio Carolina (inks), and Daniele Verzini (colors) ; translated by Julia Heim
- It's Halloween, you 'fraidy mouse!, Geronimo Stilton ; [English translation by Joan L. Giurdanella]
- Stilton, Geronimo, Cavemice, bk. 5
- Suitcase full of ghosts, Geronimo Stilton. Illustrations by Ivan Bigarella
- Geronimo Stilton 3 in 1, by Geronimo Stilton ; illustrations by Edizioni Piemme
- Slurp monster showdown, Geronimo Stilton
- Stilton, Geronimo, Cavemice, bk. 3
- The secret of Cacklefur Castle, Geronimo Stilton ; [illustrations, Larry Keys, Blasco Tabasco, and Toffina Sakkarina ; English translation by Edizioni Piemme S.p.A.]
- Get into gear, Stilton!, text by Geronimo Stilton ; illustrations by Alessandro Muscillo (design) and Christian Aliprandi (color) ; translated by Lidia Morson Tramontozzi
- Stilton, Geronimo, Kingdom of Fantasy, 14
- The peculiar pumpkin thief, [text by] Geronimo Stilton ; [illustrations by Lorenzo Chiavini ; English translation by Atlantyca S.p.A.]
- The phantom bandit, Geronimo Stilton
- Stilton, Geronimo, Kingdom of Fantasy, 15
- Geronimo Stilton reporter, by Geronimo Stilton
- Geronimo Stilton the graphic novel, text by Geronimo Stilton ; story by Elisabetta Dami ; illustrations by Tom Angleberger ; translated by Emily Clement ; color by Corey Barba ; lettering by Kristin Kemper
- The curse of the cheese pyramid, Geronimo Stilton ; [illustrations by Matt Wolf]
- Red pizzas for a blue count, Geronimo Stilton ; [translated by Edizioni Piemme]
- Thea Stilton and the treasure seekers, Geronimo Stilton ; [text by Thea Stilton ; illustrations by Giuseppe Facciotto, Chiara Balleello, Barbara Pellizzari, Valeria Brambilla, and Alessandro Muscillo ; translated by Julia Heim]
- Valentine's day disaster, [text by Geronimo Stilton]
- Stilton, Geronimo, Cavemice, bk. 15
- The hour of magic, the eighth adventure in the kingdom of fantasy, Geronimo Stilton
- Stilton, Geronimo, Topinghi, 1
- Stilton, Geronimo, Creepella von Cacklefur, #7
- The treasure of Easter Island, Geronimo Stilton ; illustrations by Giuseppe Ferrario and Flavio Fausone ; translated by Lidia Morson Tramontozzi
- The stinky cheese vacation, Geronimo Stilton
- Hug a tree, Geronimo, Geronimo Stilton
- The last resort oasis, Geronimo Stilton ; illustrations by Danilo Loizedda, Carolina Livio, Daria Cerchi, and Valeria Cairoli ; translated by Anna Pizzelli
- The Christmas toy factory, Geronimo Stilton
- Field trip to Niagara Falls, [text by Geronimo Stilton]
- Stilton, Geronimo, Journey through time (Series)
- The phantom of the subway, text by Geronimo Stilton ; illustrations by Blasco Tabasco and Guy Codana; revised by Federatto Brusco
- Time warp, the seventh journey through time, Geronimo Stilton
- Stilton, Geronimo, Topinghi, 6
- The helmet holdup, Geronimo Stilton
- Mighty Mount Kilimanjaro, [text by Geronimo Stilton ; cover by Lorenzo Chiavini ; illustrations by Roberto Ronchi and Silvia Bigolin]
- Superstore surprise, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, and Daria Cerchi ; translated by Anna Pizzelli
- The haunted castle, Geronomo Stilton ; [cover by Giuseppe Ferrario ; illustrations by Federico Brusco, Valentina Grassini, and Chiara Sacchi]
- I'm too fond of my fur!, Geronimo Stilton ; [illustrations by Larry Keys]
- A Christmas tale, Geronimo Stilton
- The mysterious cheese thief, Geronimo Stilton
- Geronimo on ice!, Geronimo Stilton ; illustrations by Danilo Loizedda and Daria Cerchi ; translated by Andrea Schaffer
- Alien escape, Geronimo Stilton ; [Illustrations by Giuseppe Facciotto and Daniele Verzini ; translated by Emily Clement]
- Attack of the bandit cats, Geronimo Stilton
- Run for the hills, Geronimo!, [text by Geronimo Stilton ; cover by Giuseppe Ferrario ; illustrations by WASABI! Studio (pencils) and Christian Aliprandi (color) ; graphics by Yuko Egusa ; translated by Julia Heim]
- The cheese experiment, Geronimo Stilton ; illustrations by Andrea De Negri (design) and Valentine Grassini (color) ; translated by Lidia Morson Tramontozzi
- Surf's up, Geronimo!, [text by Geronimo Stilton]