- 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
- 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
- Save the white whale!, [text by Geronimo Stilton ; illustrations by Sara Copercini (pencils), Riccardo Sisti (ink) and Christian Aliprandi (color) ; translated by Lidia Tramontozzi]
- 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 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]
- Stilton, Geronimo, Geronimo Stilton reporter, #8
- Hug a tree, Geronimo, Geronimo Stilton
- Geronimo Stilton, Books 22 & 24
- Geronimo Stilton, Geronimo Stilton, Books 7-9
- The golden key, Geronimo Stilton ; illustrations by Carla Debernardi, Silvia Bigolin, Lara Martinelli, Andrea Alba Benelle, and Federica Fontana ; translated by Julia Heim
- 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]
- Down and out down under, [text by Geronimo Stilton]
- Geronimo Stilton, the journey through time : pyramid puzzle, [text by Geronimo Stilton ; illustration concepts by Lorenzo Chiavini and three others ; translated by Lidia Tramontozzi]
- 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
- Stilton, Geronimo, Rodent's gazette, #4
- 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
- Geronimo Stilton reporter, by Geronimo Stilton ; script by Dario Sicchio ; art by Alessandro Muscillo, V. 11
- The sewer rat stink, Geronimo Stilton ; with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barba
- The volcano of fire, the fifth adventure in the Kingdom of Fantasy, Geronimo Stilton
- The super cup face-off, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, and Daria Cherchi ; translated by Emily Clement
- Geronimo Stilton Reporter #13: Reported Missing
- Stilton, Geronimo, Rodent's gazette, #3
- Stilton, Geronimo, Geronimo Stilton reporter, 5
- The peculiar pumpkin thief, [text by Geronimo Stilton ; illustrations by Lorenzo Chiavini ; English translation by Atlantyca S.p.A.]
- 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
- Mouse overboard!, Geronimo Stilton ; illustrations by Danilo Loizedda (design) and Christian Aliprandi (color) ; translated by Lidia Morson Tramontozzi
- The mystery in Venice, Geronimo Stilton
- Paws off, cheddarface, Geronimo Stilton
- Thea Stilton and the treasure seekers, Geronimo Stilton ; [text by Thea Stilton ; translated by Julia Heim]
- 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