- Thea Stilton and the dragon's code, [text by Thea Stilton with assistance from Piccolo Tao ; illustrations by Fabio Bono [and others]]
- Merry Christmas, Geronimo!, [text by] Geronimo Stilton ; [illustrations by Larry Keys and Blasco Tabasco]
- All because of a cup of coffee, Geronimo Stilton ; [illustrations by Larry Keys, revised by Topetti & Rattozzi]
- The guardian of the realm, the eleventh adventure in the Kingdom of Fantasy, Geronimo Stilton ; [translated by Julia Heim]
- A fabumouse school adventure, [text by] Geronimo Stilton ; [Illustrations by Alessandro Pastrovicchio]
- My autosaurus will win!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; graphics by Marta Lorini ; translated by Julia Heim
- The test of time, the sixth journey through time, Geronimo Stilton
- Valley of the giant skeletons, Geronimo Stilton ; [illustrations by Claudio Cernuschi and Christian Aliprandi]
- Geronimo Stilton, text by Geronimo Stilton ; interior illustration by Giuseppe Facciotto and color by Christian Aliprande ; translation by Nanette McGuinness, V. 6
- The amazing voyage, the third adventure in the Kingdom of Fantasy, Geronimo Stilton ; [illustrations by Danilo Barozzi ... et al.]
- Geronimo Stilton, the journey through time : dinosaur disaster, [text by Geronimo Stilton ; illustration concepts by Lorenzo Chiavini and three others ; translated by Lidia Tramontozzi]
- A Christmas tale, Geronimo Stilton
- Lost in translation, by Geronimo Stilton
- Geronimo and the gold medal mystery, Geronimo Stilton
- The search for sunken treasure, Geronimo Stilton
- Cavemice, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; graphics by Marta Lorini ; translated by Emily Clement, 1
- Singing sensation, Geronimo Stilton ; [illustrations by Larry Keys Chiavini, ... et al.]
- The mystery in Venice, Geronimo Stilton
- The race across America, [text by] Geronimo Stilton ; [Illustrations by Danilo Barozzi, Francesco Castelli, and Christian Aliprandi]
- Christmas catastrophe, Geronimo Stilton ; [illustrations by Silvia Bigolin, Christian Aliprandi and Davide Turotti.]
- The journey through time, Geronimo Stilton ; translated by Lidia Tramontozzi
- Following the trail of Marco Polo, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto ]
- Rescue rebellion, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- Down and out down under, [text by Geronimo Stilton]
- The giant diamond robbery, [text by Geronimo Stilton ; illustrations by Wasabi! Studio (design) and Davide Turotti (color) ; graphics by Merenguita Gingermouse and Yuko Egusa]
- 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
- Four mice deep in the jungle, Geronimo Stilton
- Field trip to Niagara Falls, [text by Geronimo Stilton]
- Valentine's day disaster, [text by Geronimo Stilton]
- The Mouse Island Marathon, Geronimo Stilton
- This hotel is haunted!, Geronimo Stilton ; [illustrations by Valeria Turati ; translated by Julia Heim]
- 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]
- Geronimo Stilton, [text] by Geronimo Stilton ; [illustrations by Wasabi ; translation by: Nanette McGuinness]., V. 5
- The hunt for the golden book, Geronimo Stilton ; [illustrations by Danilo Barozzi and Silvia Bigolin (design) and Christian Aliprandi (color) ; based on an original idea by Elisabetta Dami ; translated by Lidia Morson Tramontozzi and Julia Heim]
- The Christmas toy factory, [text by Geronimo Stilton]
- I'm not a supermouse!, [text by Geronimo Stilton ; illustrations by Elena Tomasutti and Christian Aliprandi]
- The hour of magic, the eighth adventure in the kingdom of fantasy, Geronimo Stilton
- Flood mission, Geronimo Stilton
- Magical mission, Geronimo Stilton ; [illustrations by Alessandro Muscillo (pencils and inks) and Christian Aliprandi (color) ; translated by Lidia Morson Tramontozzi]
- 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, plus a bonus mini mystery and cheesy jokes!, Geronimo Stilton ; translated by Anna Pizzelli and Andrea Schaffer
- Cavemice, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; graphics by Marta Lorini ; translated by Emily Clement, 2
- The way of the samurai, Text by Geronimo Stilton ; cover by Giuseppe Ferrario ; illustrations by Blasco Pisapia and Danilo Barozzi ; color by Romina Denti and Christian Aliprandi ; translated by Lidia Morson Tramontozzi
- The wild, wild West, [text by Geronimo Stilton]
- The great rat rally, Geronimo Silton with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barba ; translated by Emily Clement
- Back in time, the second journey through time, Geronimo Stilton ; illustrations by Danilo Barozzi [and 8 others] ; translated by Julia Heim
- 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
- The Mona mousa code, Geronimo Stilton ; [original cover by Matt Wolf; revised by Larry Keys ; illustrations by Matt Wolf