- 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
- Stilton, Geronimo, Spacemice, 3
- The Mona mousa code, Geronimo Stilton ; [original cover by Matt Wolf; revised by Larry Keys ; illustrations by Matt Wolf
- Beware! Space Junk!, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Julia Heim
- The weird book machine, by Geronimo Stilton ; [illustrations by Ennio Bufi and color by Mirka Andolfo ; translation by Nanette McGuinness]
- Geronimo Stilton, the secret of the Sphinx, by Geronimo Stilton
- My name is Stilton, Geronimo Stilton, Geronimo Stilton
- The Super Chef contest, Geronimo Stilton
- The phantom bandit, Geronimo Stilton
- Stilton, Geronimo, Spacemice, 9
- Stilton, Geronimo, Heromice, bk. 6
- The great rat rally, Geronimo Silton with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barba ; translated by Emily Clement
- Stilton, Geronimo, Kingdom of Fantasy, 12
- The enchanted charms, the seventh adventure in the Kingdom of Fantasy, Geronimo Stilton ; [cover by Danilo Barozzi ; illustrations by Danilo Barozzi, and five others ; translated by Emily Clement]
- The Karate mouse, Geronimo Stilton ; [illustrations by Fabio Bono ... et al.]
- Geronimo on ice!, Geronimo Stilton ; illustrations by Danilo Loizedda and Daria Cerchi ; translated by Andrea Schaffer
- Mouse house hunter, Geronimo Stilton
- Get into gear, Stilton!, text by Geronimo Stilton ; illustrations by Alessandro Muscillo (design) and Christian Aliprandi (color) ; translated by Lidia Morson Tramontozzi