- Geronimo Stilton, the discovery of America, by Geronimo Stilton
- The underwater planet, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Anna Pizzelli
- Hug a tree, Geronimo, Geronimo Stilton
- Geronimo Stilton, reporter, by Geronimo Stilton ; script by Dario Sicchio ; art by Alessandro Muscillo ; color by Christian Aliprandi ; original lettering by Maria Letizia Mirabella, #3
- Sea monster surprise!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Alessandro Costa (color) ; translated by Andrea Schaffer
- Away in a star sled, Geronimo Stilton ; illustrations by Guiseppe Facciotto (design) and Daniele Verzini (color) ; translated by Anna Pizzelli
- Stilton, Geronimo, Spacemice, 12
- 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 smelly search, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Alessandro Costa (color) ; translated by Lidia Morson Tramontozzi
- The sewer rat stink, Geronimo Stilton ; with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barba
- Alien escape, Geronimo Stilton ; [Illustrations by Giuseppe Facciotto and Daniele Verzini ; translated by Emily Clement]
- Flight of the Red Bandit, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Christian Aliprandi ; translated by Lidia Morson Tramontozzi
- The invisible planet, Geronimo Stilton ; illustrations by Giuseppe Facciotto (pencils), Carolina Livio (inks), and Serena Gianoli and Paolo Vicenzi (color) ; translated by Julia Heim
- The test of time, the sixth journey through time, Geronimo Stilton
- All because of a cup of coffee, Geronimo Stilton ; [illustrations by Larry Keys, revised by Topetti & Rattozzi]
- 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
- Stilton, Geronimo, Micekings, 5
- My autosaurus will win!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; graphics by Marta Lorini ; translated by Julia Heim
- Mouse house of the future, Geronimo Stilton
- Stilton, Geronimo, Cavemice, 6
- 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 ; interior illustration by Giuseppe Facciotto and color by Christian Aliprande ; translation by Nanette McGuinness, V. 6
- Stilton, Geronimo, Spacemice, 11
- The peculiar pumpkin thief, [text by Geronimo Stilton ; illustrations by Lorenzo Chiavini ; English translation by Atlantyca S.p.A.]
- Stilton, Geronimo, Cavemice, 14
- 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
- First to the last place on Earth!, by Geronimo Stilton ; script by Francesco Savino and Leonardo Favia ; translation by Nanette McGuiness ; art by Ryan Jampole ; color by Laurie E. Smith and JayJay Jackson ; lettering by Wilson Ramos Jr.
- Valley of the giant skeletons, Geronimo Stilton ; [illustrations by Claudio Cernuschi and Christian Aliprandi]
- Stilton, Geronimo, Cavemice, 9
- The curse of the cheese pyramid, Geronimo Stilton ; [illustrations by Matt Wolf]
- Have a heart, Geronimo, Geronimo Stilton ; illustrations by Danilo Loizedda, Carolina Livio, Daria Cerchi, and Valeria Cairoli ; translated by Anna Pizzelli
- The mysterious message, Geronimo Stilton ; illustrations by Giuseppe Facciotto (pencils) and Alessandro Costa (ink and color) ; translated by Emily Clement
- 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 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 Hawaiian heist, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, and Daria Cerchi ; translated by Anna Pizzelli
- Stilton, Geronimo, Cavemice, 15
- Stilton, Geronimo, Rodent's gazette, #4
- Stilton, Geronimo, Topinghi, 7
- Lost in translation, by Geronimo Stilton
- Geronimo and the gold medal mystery, Geronimo Stilton
- Garbage dump disaster, Geronimo Stilton ; illustrations by Giuseppe Facciotto, Carolina Livio, Daria Cerchi, and Valeria Cairoli ; translated by Anna Pizzelli
- The dragon crown, Geronimo Stilton ; illustrations by Giuseppe Facciotto and Alessandro Costa ; translated by Lidia Morson Tramontozzi
- The hunt for the Colosseum ghost, Geronimo Stilton ; translated by Anna Pizzelli
- The fastest train in the West, Geronimo Stilton
- Stilton, Geronimo, Spacemice, 10