- The secret invention, Thea Stilton
- Drama at Mouseford, Thea Stilton ; [illustrations by Giuseppe Facciotto (pencils) and Davide Turotti (color) ; translated by Julia Heim]
- Lost treasure of the emerald eye, [text by Geronimo Stilton ; illustrations by Matt Wolf, Mark Nithael, and Kat Stevens]
- Mice take the stage, Thea Stilton ; illustrations by Barbara Pellizzari and Alessandro Muscillo ; translated by Julia Heim, 7
- Hug a tree, Geronimo, Geronimo Stilton
- Thea Stilton and the missing myth, text by Thea Stilton ; illustrations by Barbara Pellizzari and Chiara Balleello (design) ; translated by Emily Clement
- The missing diary, Thea Stilton ; [illustrations by Barbara Pellizzari (inks) and Davide Turotti (color) ; translated by Lidia Morson Tramontozzi], 2
- Thea Stilton and the blue scarab hunt, [text by Thea Stilton ; illustrations by Francesco Bisaro ... [et al.] ; translated by Emily Clement]
- Cyber-thief showdown, Geronimo Stilton ; illustrations by Giuseppe Ferrario (design), Roberta Cianchi (pencils), Giulia Zaffaroni (color) ; translated by Anna Pizzelli
- Alien escape, Geronimo Stilton ; [illustrations by Giuseppe Facciotto and Daniele Verzini ; translated by Emily Clement]
- Geronimo Stilton, the graphic novel, Geronimo Stilton with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barba
- Mouselets in danger, Thea Stilton ; illustrations by Barbara Pellizzari and Davide Turotti ; translated by Lidia Morson Tramontozzi
- Ice planet adventure, Geronimo Stilton ; interior illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- Get into gear, Stilton!, text by Geronimo Stilton ; illustrations by Alessandro Muscillo (design) and Christian Aliprandi (color) ; translated by Lidia Morson Tramontozzi
- Dance challenge, Thea Stilton ; illustrations by Francesco Castelli ; translated by Emily Clement
- Thea Stilton and the secret of the old castle, [text by Thea Stilton ; illustrations by Jacopo Brandi ... [et al.] ; translated by Emily Clement]
- The chocolate chase, Geronimo Stilton ; illustrations by Danilo Loizedda (design) ; Antonio Campo (pencils) ; Daria Cerchi and Serena Gianoli (color) ; translated by Anna Pizzelli