- 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, Rodent's gazette, #13
- Mouse house of the future, Geronimo Stilton
- The guardian of the realm, the eleventh adventure in the Kingdom of Fantasy, Geronimo Stilton ; [translated by Julia Heim]
- 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]
- Stilton, Geronimo, Kingdom of Fantasy, 15
- 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
- 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
- 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
- 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
- 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
- Garbage dump disaster, Geronimo Stilton ; illustrations by Giuseppe Facciotto, Carolina Livio, Daria Cerchi, and Valeria Cairoli ; translated by Anna Pizzelli
- Stilton, Geronimo, Kingdom of Fantasy, 14
- 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 Stilton reporter, by Geronimo Stilton ; script by Dario Sicchio ; art by Alessandro Muscillo, V. 11
- Geronimo and the gold medal mystery, Geronimo Stilton
- Away in a star sled, Geronimo Stilton ; illustrations by Guiseppe Facciotto (design) and Daniele Verzini (color) ; translated by Anna Pizzelli
- The wizard's wand, the ninth adventure in the Kingdom of Fantasy, Geronimo Stilton ; [translated by Julia Heim]
- The race against time, the third journey through time, Geronimo Stilton ; illustrations by Danilo Barozzi and Silvia Bigolin ; translated by Julia Heim
- Stilton, Geronimo, Geronimo Stilton reporter, #8
- Hug a tree, Geronimo, Geronimo Stilton
- Geronimo Stilton, Books 22 & 24
- Geronimo Stilton, Geronimo Stilton, Books 7-9
- Save the white whale!, [text by Geronimo Stilton ; illustrations by Sara Copercini (pencils), Riccardo Sisti (ink) and Christian Aliprandi (color) ; translated by Lidia Tramontozzi]
- The super cup face-off, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, and Daria Cherchi ; translated by Emily Clement
- Treasures of the Maya, Geronimo Stilton ; translated by Anna Pizzelli
- Stilton, Geronimo, Rodent's gazette, #3
- 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
- Stilton, Geronimo, Geronimo Stilton reporter, 5
- Stilton, Geronimo, Geronimo Stilton reporter, 14
- The peculiar pumpkin thief, [text by Geronimo Stilton ; illustrations by Lorenzo Chiavini ; English translation by Atlantyca S.p.A.]
- 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
- It's Halloween, you 'fraidy mouse!, Geronimo Stilton ; [English translation by Joan L. Giurdanella]
- 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
- Stilton, Geronimo, Kingdom of Fantasy, 16th
- 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
- Geronimo Stilton, secret agent, Geronimo Stilton ; [illustrations by Cleo Bianca and Christian Aliprandi]
- Stilton, Geronimo, Geronimo Stilton reporter, 10
- Valley of the giant skeletons, Geronimo Stilton ; [illustrations by Claudio Cernuschi and Christian Aliprandi]
- The keepers of the empire, the fourteenth adventure in the Kingdom of Fantasy, Geronimo Stilton ; illustrations by Danilo Barozzi [and 6 others] ; translated by Emily Clement