- 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
- 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
- The cheese experiment, Geronimo Stilton ; illustrations by Andrea De Negri (design) and Valentine Grassini (color) ; translated by Lidia Morson Tramontozzi
- Hypno-tick tock, by Geronimo Stilton ; [script by Dario Sicchio ; art by Alessandro Muscillo ; color by Christian Aliprandi]
- The fast and the frozen, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Julia Heim
- Rescue rebellion, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- The sewer rat stink, Geronimo Stilton ; with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barba
- The guardian of the realm, the eleventh adventure in the Kingdom of Fantasy, Geronimo Stilton ; [translated by Julia Heim]
- Alien escape, Geronimo Stilton ; [Illustrations by Giuseppe Facciotto and Daniele Verzini ; translated by Emily Clement]
- The test of time, the sixth journey through time, Geronimo Stilton
- The invisible planet, Geronimo Stilton ; illustrations by Giuseppe Facciotto (pencils), Carolina Livio (inks), and Serena Gianoli and Paolo Vicenzi (color) ; translated by Julia Heim
- Geronimo Stilton 3 in 1, by Geronimo Stilton ; illustrations by Edizioni Piemme ; translation by Nanette McGuinness, V. 2
- I'm a scaredy-mouse!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Julia Heim
- 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
- Thea Stilton and the Hollywood hoax, text by Thea Stilton ; illustrations by Barbara Pellizzari and Chiara Balleello ; translated by Emily Clement
- Surfing for Secrets, Geronimo Stilton
- Away in a star sled, Geronimo Stilton ; illustrations by Guiseppe Facciotto (design) and Daniele Verzini (color) ; translated by Anna Pizzelli
- The race against time, the third journey through time, Geronimo Stilton ; illustrations by Danilo Barozzi and Silvia Bigolin ; translated by Julia Heim
- You're mine, captain!, Geronimo Stilton
- The journey through time, Geronimo Stilton ; translated by Lidia Tramontozzi
- Going down to Chinatown, Geronimo Stilton
- 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 secret of the crystal fairies, Geronimo Stilton ; [text by] Thea Stilton ; [translated by Anna Pizzelli]
- The mummy with no name, [text by Geronimo Stilton ; illustrations by Roberto Ronchi, Christian Aliprandi and Davide Turotti]
- The dragon crown, Geronimo Stilton ; illustrations by Giuseppe Facciotto and Alessandro Costa ; translated by Lidia Morson Tramontozzi
- 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
- Help, I'm in hot lava!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Emily Clement
- Geronimo Stilton, reporter, by Geronimo Stilton ; script by Dario Sicchio ; art by Alessandro Muscillo ; original lettering by Maria Letizia Mirabella ; color by Christian Aliprandi, V. 2
- Ice planet adventure, Geronimo Stilton ; interior illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- The hour of magic, the eighth adventure in the kingdom of fantasy, Geronimo Stilton
- The hunt for the curious cheese, Geronimo Stilton ; [Translated by Lidia Morson Tramontozzi and Julia Heim]
- Flood mission, Geronimo Stilton
- Stay strong, Geronimo!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (pencils) and Alessandro Costa (ink and color) ; translated by Emily Clement
- The first mouse on the Moon, by Geronimo Stilton
- The mystery of the pirate ship, by Geronimo Stilton ; art by Ryam Jampole ; translation by Nanette McGuinness
- Geronimo Stilton reporter, by Geronimo Stilton ; art by art by Alessandro Muscillo ; color by Christian Aliprandi, V. 10
- Magical mission, Geronimo Stilton ; [illustrations by Alessandro Muscillo (pencils and inks) and Christian Aliprandi (color) ; translated by Lidia Morson Tramontozzi]
- Dinosaur danger, Geronimo Stilton ; illustrations by Luca Usai (pencils), Valeria Cairoli (inks), and Daniele Verzini (color) ; translated by Andrea Schaffer
- Geronimo Stilton reporter, by Geronimo Stilton ; art by Alessandro Muscillo ; color by Christian Aliprandi ; original lettering by Maria Letizia Mirabella, V. 6
- The galactic goal, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto and Daniele Verzini ; translated by Julia Heim
- All for Stilton, Stilton for all!, by Geronimo Stilton ; story by Michele Foschini and Leonardo Favia ; script by Leonardo Favia ; illustrations by Federica Salfo ; color by Mirka Andolfo ; Nanette McGuinness, translation
- Geronimo Stilton, reporter, text by Geronimo Stilton ; script by Dario Sicchio ; art by Alessandro Muscillo ; color by Christian Aliprandi ; lettering, Wilson Ramos Jr, V. 5
- Pull the dragon's tooth, Geronimo Stilton ; illustrations by Giuseppe Facciotto (pencils) and Alessandro Costa (ink and color) ; translated by Julia Heim
- Geronimo Stilton reporter, by Geronimo Stilton ; art by Alessandro Muscillo ; color by Christian Aliprandi ; original lettering by Maria Letizia Mirabella, V. 9
- The Super Chef contest, Geronimo Stilton
- The ship of secrets, the tenth adventure in the kingdom of fantasy, Geronimo Stilton ; illustrations by Silvia Bigolin [and 4 others] ; color by Christian Aliprandi
- Geronimo Stilton reporter, by Geronimo Stilton ; art by Alessandro Muscillo ; color by Christian Aliprandi, V. 4
- Beware! Space Junk!, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Julia Heim