- I'm a scaredy-mouse!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Julia Heim
- Sea monster surprise!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Alessandro Costa (color) ; translated by Andrea Schaffer
- The underwater planet, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Anna Pizzelli
- The dance of the star fairies, Thea Stilton ; cover art by Iacopo Bruno, Caterina Giorgetti, Christian Aliprandi, and Giovanna Ferraris ; illustrations by Giuseppe Facciotto, Chiara Balleello, Barbara Pellizzari, Valeria Brambilla, and Alessandro Muscillo; graphics by Daria Colombo ; translated by Julia Heim
- Famouse fjord race, Geronimo Stilton ; illustrations by Giuseppe Facciotto and Alessandro Costa ; translated by Julia Heim
- Ice planet adventure, Geronimo Stilton ; interior illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- Rescue rebellion, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- The Land of Flowers, text by Thea Stilton ; cover by Caterina Giorgetti (design) and Flavio Ferron (color) ; illustrations by Giuseppe Facciotto (layout), Chiara Balleello and Barbara Pellizzari (pencils and inks), and Alessandro Muscillo (color) ; translated by Emily Clement
- The great mouse race, [text by] Geronimo Stilton ; [translated by Julia Heim ; illustrations by Giuseppe Facciotto and Daniele Verzini]
- The fast and the frozen, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Julia Heim
- Stay strong, Geronimo!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (pencils) and Alessandro Costa (ink and color) ; translated by Emily Clement
- Surfing for Secrets, Geronimo Stilton
- Away in a star sled, Geronimo Stilton ; illustrations by Guiseppe Facciotto (design) and Daniele Verzini (color) ; translated by Anna Pizzelli
- Cavemice, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; graphics by Marta Lorini ; translated by Emily Clement, 1
- Help, I'm in hot lava!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Emily Clement
- The galactic goal, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto and Daniele Verzini ; translated by Julia Heim
- The magic of the mirror, Thea Stilton ; illustrations by Giuseppe Facciotto, Barbara Pellizzari, Chiara Balleello, Valeria Brambilla, and Alessandro Muscillo ; translated by Anna Pizzelli
- Drama at Mouseford, Thea Stilton ; [illustrations by Giuseppe Facciotto (pencils) and Davide Turotti (color) ; translated by Julia Heim]
- Cavemice, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; graphics by Marta Lorini ; translated by Emily Clement, 2
- Attack of the dragons, Geronimo Stilton ; [illustrations by Giuseppe Facciotto (pencils) and Alessandro Costa (ink and color) ; Translated by Emily Clement]
- Don't wake the dinosaur!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- Thea Stilton and the American dream, Thea Stilton ; illustrations by Barbara Pellizzari, Flavio Ferron, Giuseppe Facciotto, Chiara Balleello, Valeria Brambilla, [and 2 others] ; translated by Lidia Tramontozzi
- Beware! Space Junk!, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Julia Heim