- The guardian of the realm, the eleventh adventure in the Kingdom of Fantasy, Geronimo Stilton ; [translated by Julia Heim]
- The search for treasure, the sixth adventure in the Kingdom of Fantasy, Geronimo Stilton ; translated by Lidia Morson Tramontozzi
- 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]
- The sewer rat stink, Geronimo Stilton ; with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barba
- Thea Stilton and the blue scarab hunt, [text by Thea Stilton ; illustrations by Francesco Bisaro ... [and others] ; translated by Emily Clement]
- The volcano of fire, the fifth adventure in the Kingdom of Fantasy, Geronimo Stilton
- Thea Stilton and the chocolate sabotage, [text by Thea Stilton ; illustrations by Chiara Balleello (design) and Daniele Verzini (color) ; graphics by Chiara Cebraro ; translated by Emily Clement ; based on an original idea by Elisabetta Dami]
- Hug a tree, Geronimo, Geronimo Stilton
- Geronimo Stilton reporter, by Geronimo Stilton ; script by Dario Sicchio ; art by Alessandro Muscillo, V. 11
- Thea Stilton and the missing myth, text by Thea Stilton ; illustrations by Barbara Pellizzari and Chiara Balleello (design) ; translated by Emily Clement
- Thea Stilton and the treasure seekers, Geronimo Stilton ; [text by Thea Stilton ; translated by Julia Heim]
- Cyber-thief showdown, Geronimo Stilton ; illustrations by Giuseppe Ferrario (design), Roberta Cianchi (pencils) ; translated by Anna Pizzelli
- Four mice deep in the jungle, Geronimo Stilton
- The chocolate chase, Geronimo Stilton ; illustrations by Danilo Loizedda (design) ; Antonio Campo (pencils) ; Daria Cerchi and Serena Gianoli (color) ; translated by Anna Pizzelli
- 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 great rat rally, Geronimo Silton with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barba ; translated by Emily Clement
- Thea Stilton and the mystery in Paris, Geronimo Stilton ; [text by Thea Stilton, based on an idea by Elisabetta Dami ; illustrations by Maria Abagnale ... [and others] ; translated by Julia Heim]
- 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
- Thea Stilton and the secret of the old castle, [text by Thea Stilton ; illustrations by Jacopo Brandi ... [and others] ; translated by Emily Clement]
- Geronimo Stilton reporter, by Geronimo Stilton ; art by art by Alessandro Muscillo ; color by Christian Aliprandi, V. 10
- Slime for dinner, Geronimo Stilton with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barber ; story by Elisabetta Dami ; translated by Emily Clement ; lettering by Kristin Kemper
- 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
- Drama at Mouseford, Thea Stilton ; [illustrations by Giuseppe Facciotto (pencils) and Davide Turotti (color) ; translated by Julia Heim]
- I'm not a supermouse!, [text by Geronimo Stilton ; illustrations by Elena Tomasutti and Christian Aliprandi]
- Geronimo Stilton reporter, by Geronimo Stilton ; art by Alessandro Muscillo ; color by Christian Aliprandi ; original lettering by Maria Letizia Mirabella, V. 9
- Mouse vs wild, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto [and 3 others] ; translated by Emily Clement
- The secret invention, Thea Stilton
- Get into gear, Stilton!, text by Geronimo Stilton ; illustrations by Alessandro Muscillo (design) and Christian Aliprandi (color) ; translated by Lidia Morson Tramontozzi