- The super cup face-off, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, and Daria Cherchi ; translated by Emily Clement
- Geronimo Stilton, [text by Geronimo Stilton], Books 15 & 16
- Creepella Von Cacklefur, Ghost Pirate Treasure, [text by Geronimo Stilton ; illustrations by Ivan Bigarella (pencils and inks) and Giulia Zaffaroni (color) ; translated by Lidia Morson Tramontozzi]
- Fright night, [text by Geronimo Stilton ; illustrations by Ivan Bigarella and Daria Cerchi ; translated by Lidia Morson Tramontozzi]
- Sea monster surprise!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Alessandro Costa (color) ; translated by Andrea Schaffer
- Ride for your life!, text by Geronimo Stilton ; illustrations by Danilo Barozzi (pencils and inks) and Giulia Zaffaroni (color) ; translated by Andrea Schaffer
- I'm a scaredy-mouse!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Julia Heim
- The underwater planet, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Anna Pizzelli
- Hug a tree, Geronimo, Geronimo Stilton
- Save the white whale!, [text by Geronimo Stilton ; illustrations by Sara Copercini (pencils), Riccardo Sisti (ink) and Christian Aliprandi (color) ; translated by Lidia Tramontozzi]
- Stilton, Geronimo, Cavemice, 6
- The hunt for the secret papyrus, plus a bonus mini mystery and cheesy jokes, Geronimo Stilton ; translated by Lidia Morson Tramontozzi and Andrea Schaffer
- Mysterious eye of the dragon, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, Daria Cerchi, and Serena Gianoli ; translated by Andrea Schaffer
- Happy birthday, Geronimo!, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, and Daria Cerchi ; translated by Lidia Tramontozzi
- The temple of the ruby of fire, Geronimo Stilton ; [cover by Larry Keys ; illustrations by Johnny Stracchino and Mary Fontina ; English translation by Joan L. Giurdanella]
- The secret of the crystal fairies, Geronimo Stilton ; [text by] Thea Stilton ; [translated by Anna Pizzelli]
- This hotel is haunted!, Geronimo Stilton ; [illustrations by Valeria Turati ; translated by Julia Heim]
- No time to lose, the fifth journey through time, Geronimo Stilton ; illustrations by Danilo Barozzi, Silvia Bigolin, Carla De Bernardi, and Alessandro Muscillo (pencils), Christian Aliprandi (ink and color), and Piemme's Archives ; translated by Shannon Decker
- The missing movie, Geronimo Stilton
- Stilton, Geronimo, Cavemice, 07
- Mouse overboard!, Geronimo Stilton ; illustrations by Danilo Loizedda (design) and Christian Aliprandi (color) ; translated by Lidia Morson Tramontozzi
- Famouse fjord race, Geronimo Stilton ; illustrations by Giuseppe Facciotto and Alessandro Costa ; translated by Julia Heim
- Have a heart, Geronimo, Geronimo Stilton ; illustrations by Danilo Loizedda, Carolina Livio, Daria Cerchi, and Valeria Cairoli ; translated by Anna Pizzelli
- 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
- Valley of the giant skeletons, Geronimo Stilton ; [illustrations by Claudio Cernuschi and Christian Aliprandi]
- Valentine's day disaster, [text by Geronimo Stilton]
- Stilton, Geronimo, Geronimo Stilton, #76
- Ice planet adventure, Geronimo Stilton ; interior illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- The great mouse race, [text by] Geronimo Stilton ; [translated by Julia Heim ; illustrations by Giuseppe Facciotto and Daniele Verzini]
- Rescue rebellion, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- The fast and the frozen, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Julia Heim
- The phantom of the theater, Geronimo Stilton ; illustrations by Ivan Bigarealla, Antonio Campro and Daria Cerchi ; translated by Anna Pizzelli
- The sewer rat stink, Geronimo Stilton ; with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barba
- The haunted castle, Geronomo Stilton ; [cover and interior illustrations by Claudio Cernuschi and Valentina Grassini ; translated y Julia Heim]
- Red pizzas for a blue count, Geronimo Stilton ; [translated by Edizioni Piemme]
- Stay strong, Geronimo!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (pencils) and Alessandro Costa (ink and color) ; translated by Emily Clement
- Stilton, Geronimo, Micekings, 4
- The secret of Cacklefur Castle, Geronimo Stilton ; [illustrations, Larry Keys, Blasco Tabasco, and Toffina Sakkarina ; English translation by Edizioni Piemme S.p.A.]
- Don't wake the dinosaur!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- The last resort oasis, Geronimo Stilton ; illustrations by Danilo Loizedda, Carolina Livio, Daria Cerchi, and Valeria Cairoli ; translated by Anna Pizzelli
- Away in a star sled, Geronimo Stilton ; illustrations by Guiseppe Facciotto (design) and Daniele Verzini (color) ; translated by Anna Pizzelli
- Surfing for Secrets, Geronimo Stilton
- The cheese experiment, Geronimo Stilton ; illustrations by Andrea De Negri (design) and Valentine Grassini (color) ; translated by Lidia Morson Tramontozzi
- Cavemice, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; graphics by Marta Lorini ; translated by Emily Clement, 1
- Time warp, the seventh journey through time, Geronimo Stilton
- The Hawaiian heist, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, and Daria Cerchi ; translated by Anna Pizzelli
- Welcome to Moldy Manor, Geronimo Stilton ; illustrations by Carolina Livio (design), Riccardo Sisti (ink), and Valentina Grassini (color) ; translated by Andrea Schaffer
- Bollywood burglary, Geronimo Stilton ; illustrations by Danilo Loizedda (design) and Daria Cerchi (color) ; translated by Lidia Morson Tramontozzi
- Lost in time, the fourth journey through time, Geronimo Stilton ; illustrations by Danilo Barozzi, Silvia Bigolin, and Danilo Loizedda (design), Christian Aliprandi (color), and Piemme's archives ; translated by Julia Heim
- Stilton, Geronimo, Kingdom of Fantasy, 13