- The search for treasure, the sixth adventure in the Kingdom of Fantasy, Geronimo Stilton ; translated by Lidia Morson Tramontozzi
- Mouse in space!, [text by Geronimo Stilton ; illustrations by Francesco Barbieri and Christian Aliprandi ; translated by Lidia Morson Tramontozzi]
- The test of time, the sixth journey through time, Geronimo Stilton
- Hug a tree, Geronimo, Geronimo Stilton
- A very merry Christmas, Geronimo Stilton ; [illustrations by Claudius Cernuschi, Guiseppe Di Dio, and Christian Aliprandi ; English translation by Atlantyca S.p.A.]
- The super cup face-off, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, and Daria Cherchi ; translated by Emily Clement
- Geronimo Stilton, reporter, by Geronimo Stilton ; script by Davide Costa ; art by Alessandro Muscillo ; color by Christian Aliprandi ; original lettering by Maria Letizia Mirabella ; lettering by Wilson Ramos Jr, V. 15
- The peculiar pumpkin thief, [text by Geronimo Stilton ; illustrations by Lorenzo Chiavini ; English translation by Atlantyca S.p.A.]
- The amazing voyage, the third adventure in the Kingdom of Fantasy, Geronimo Stilton ; [illustrations by Danilo Barozzi ... et al.]
- Thea Stilton and the dragon's code, [text by Thea Stilton with assistance from Piccolo Tao ; illustrations by Fabio Bono [and others]]
- Mysterious eye of the dragon, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, Daria Cerchi, and Serena Gianoli ; translated by Andrea Schaffer
- All because of a cup of coffee, Geronimo Stilton ; [illustrations by Larry Keys, revised by Topetti & Rattozzi]
- The mysterious cheese thief, Geronimo Stilton
- The guardian of the realm, the eleventh adventure in the Kingdom of Fantasy, Geronimo Stilton ; [translated by Julia Heim]
- A fabumouse school adventure, [text by] Geronimo Stilton ; [Illustrations by Alessandro Pastrovicchio]
- My autosaurus will win!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; graphics by Marta Lorini ; translated by Julia Heim
- Mighty Mount Kilimanjaro, Geronimo Stilton ; [illustrations by Roberto Ronchi and Silvia Bigolin]
- Island of Dragons, the twelfth adventure in the Kingdom of Fantasy, Geronimo Stilton ; [illustrations by Silvia Bigolin, Ivan Bigarella, Alessandro Muscillo, and Christian Aliprandi ; translated by Julia Heim]
- Ride for your life!, text by Geronimo Stilton ; illustrations by Danilo Barozzi (pencils and inks) and Giulia Zaffaroni (color) ; translated by Andrea Schaffer
- Merry Christmas, Geronimo!, [text by] Geronimo Stilton ; [illustrations by Larry Keys and Blasco Tabasco]
- A Christmas tale, Geronimo Stilton
- Rescue rebellion, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- Get the scoop, Geronimo!, Geronimo Stilton ; [illustrations by Giuseppe Facciotto (design) and Alessandro Costa (color) ; graphics by Marta Lorini and Chiara Cebraro ; translated by Lidia Morson Tramontozzi.]
- The golden key, Geronimo Stilton ; illustrations by Carla Debernardi, Silvia Bigolin, Lara Martinelli, Andrea Alba Benelle, and Federica Fontana ; translated by Julia Heim
- Down and out down under, [text by Geronimo Stilton]
- The giant diamond robbery, [text by Geronimo Stilton ; illustrations by Wasabi! Studio (design) and Davide Turotti (color) ; graphics by Merenguita Gingermouse and Yuko Egusa]
- The haunted castle, Geronomo Stilton ; [cover and interior illustrations by Claudio Cernuschi and Valentina Grassini ; translated y Julia Heim]
- The volcano of fire, the fifth adventure in the Kingdom of Fantasy, Geronimo Stilton
- Welcome to Moldy Manor, Geronimo Stilton ; illustrations by Carolina Livio (design), Riccardo Sisti (ink), and Valentina Grassini (color) ; translated by Andrea Schaffer
- Lost in translation, by Geronimo Stilton
- The dragon of fortune, an epic Kingdom of Fantasy adventure, text by Geronimo Stilton ; cover by Silvia Fusetti ; illustrations by Silvia Bigolin, Federico Brusco, Carla Debernardi, Alessandro Muscillo, and Piemme's Archives ; color by Christian Aliprandi ; translated by Julia Heim
- Geronimo and the gold medal mystery, Geronimo Stilton
- 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
- Creepella Von Cacklefur, the thirteen ghosts, [text by Geronimo Stilton ; illustrations by Ivan Bigarella (pencils) and Giorgio Campioni (color) ; translated by Emily Clement]
- The search for sunken treasure, Geronimo Stilton
- The wizard's wand, the ninth adventure in the Kingdom of Fantasy, Geronimo Stilton ; [translated by Julia Heim]
- Field trip to Niagara Falls, [text by Geronimo Stilton]
- The helmet holdup, Geronimo Stilton
- Rumble in the Jungle, Text by Geronimo Stilton ; Illustrations by Giuseppe Ferrario
- Wedding crasher, [text by Geronimo Stilton]
- Mouse vs wild, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto [and 3 others] ; translated by Emily Clement
- The sticky situation, Geronimo Stilton ; [illustrations by Danilo Loizedda, Antonio Campo, and Daria Cerchi ; translated by Anna Pizzelli]
- The enormouse pearl heist, Geronimo Stilton ; [illustrations by Giuseppe Ferrario ; translated by Lidia Morson Tramontozzi]
- Superstore surprise, Geronimo Stilton ; illustrations by Daria Cerchi, Ivan Bigarella, and Valeria Cairoli ; graphics by Marta Lorini ; translated by Emily Clement
- The stinky cheese vacation, Geronimo Stilton
- The treasure of Easter Island, Geronimo Stilton ; illustrations by Giuseppe Ferrario and Flavio Fausone ; translated by Lidia Morson Tramontozzi
- The Kingdom of Fantasy, [text by] Geronimo Stilton
- The golden statue plot, text by Geronimo Stilton ; illustrations by Danilo Loizedda [and ten others] ; translated by Julia Heim
- The journey through time, Geronimo Stilton ; translated by Lidia Tramontozzi