- Alien escape, Geronimo Stilton ; [Illustrations by Giuseppe Facciotto and Daniele Verzini ; translated by Emily Clement]
- The search for treasure, the sixth adventure in the Kingdom of Fantasy, Geronimo Stilton ; translated by Lidia Morson Tramontozzi
- The test of time, the sixth journey through time, Geronimo Stilton
- 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 guardian of the realm, the eleventh adventure in the Kingdom of Fantasy, Geronimo Stilton ; [translated by Julia Heim]
- Mouse house of the future, Geronimo Stilton
- Treasures of the Maya, Geronimo Stilton ; translated by Anna Pizzelli
- 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
- 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
- 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]
- Sea monster surprise!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Alessandro Costa (color) ; translated by Andrea Schaffer
- Geronimo Stilton, reporter, by Geronimo Stilton ; script by Davide Costa ; art by Alessandro Muscillo ; color by Christian Aliprandi ; original lettering by Maria Letizia Mirabella, V. 16
- Welcome to Moldy Manor, Geronimo Stilton ; illustrations by Carolina Livio (design), Riccardo Sisti (ink), and Valentina Grassini (color) ; translated by Andrea Schaffer
- The Hawaiian heist, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, and Daria Cerchi ; translated by Anna Pizzelli
- Garbage dump disaster, Geronimo Stilton ; illustrations by Giuseppe Facciotto, Carolina Livio, Daria Cerchi, and Valeria Cairoli ; translated by Anna Pizzelli
- Geronimo Stilton reporter, by Geronimo Stilton ; script by Dario Sicchio ; art by Alessandro Muscillo, V. 11
- 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
- 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
- Hug a tree, Geronimo, 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 mummy with no name, [text by Geronimo Stilton ; illustrations by Roberto Ronchi, Christian Aliprandi and Davide Turotti]
- The missing movie, Geronimo Stilton
- The phoenix of destiny, an epic Kingdom of Fantasy adventure, Geronimo Stilton
- Operation: secret recipe, Geronimo Stilton
- Going down to Chinatown, 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 sewer rat stink, Geronimo Stilton ; with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barba
- The great mouse race, [text by] Geronimo Stilton ; [translated by Julia Heim ; illustrations by Giuseppe Facciotto and Daniele Verzini]
- Hypno-tick tock, by Geronimo Stilton ; [script by Dario Sicchio ; art by Alessandro Muscillo ; color by Christian Aliprandi]
- The golden key, Geronimo Stilton ; illustrations by Carla Debernardi, Silvia Bigolin, Lara Martinelli, Andrea Alba Benelle, and Federica Fontana ; translated by Julia Heim
- Rescue rebellion, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- Have a heart, Geronimo, Geronimo Stilton ; illustrations by Danilo Loizedda, Carolina Livio, Daria Cerchi, and Valeria Cairoli ; translated by Anna Pizzelli
- Thea Stilton and the treasure seekers, Geronimo Stilton ; [text by Thea Stilton ; translated by Julia Heim]
- The cheese experiment, Geronimo Stilton ; illustrations by Andrea De Negri (design) and Valentine Grassini (color) ; translated by Lidia Morson Tramontozzi
- Time warp, the seventh journey through time, 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
- The wizard's wand, the ninth adventure in the Kingdom of Fantasy, Geronimo Stilton ; [translated by Julia Heim]
- Geronimo Stilton reporter, by Geronimo Stilton ; script by Dario Sicchio ; art by Alessandro Muscillo ; color by Christian Aliprandi, v.13
- The treasure of Easter Island, Geronimo Stilton ; illustrations by Giuseppe Ferrario and Flavio Fausone ; translated by Lidia Morson Tramontozzi
- 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
- The golden statue plot, text by Geronimo Stilton ; illustrations by Danilo Loizedda [and ten others] ; translated by Julia Heim
- 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 Gem Gang, Geronimo Stilton ; script by Dario Sicchio ; art by Alessandro Muscillo ; color by Christian Aliprandi ; original lettering, Maria Letizia Mirabella
- The hour of magic, the eighth adventure in the kingdom of fantasy, Geronimo Stilton
- Out of time, the eighth journey through time, Geronimo Stilton ; illustrations by Ivan Bigarella, Federico Brusco, Andrea Denegri, Alessandro Muscillo, Carla Debernardi, and Christian Aliprandi ; translated by Rebecca Herrick