- Meet me in Horrorwood, [text by Geronimo Stilton ; illustrations by Ivan Bigarella (pencils and inks) and Giorgio Campioni (color) ; translated by Lidia Tramontozzi]
- Geronimo and the gold medal mystery, [text by] Geronimo Stilton ; [illustrations by Cinzia Marrese, Vittoria Termini, and Silvia Bigolin ; translated by Lidia Morson Tramontozzi]
- A Christmas tale, [text by] Geronimo Stilton ; [illustrations by Winny Rope ; translated by Lidia Morson Tramontozzi]
- Mouse in space!, [text by Geronimo Stilton ; cover by Giuseppe Ferrario (design) and Giulia Zaffaroni (color) ; illustrations by Francesco Barbieri (design) and Christian Aliprandi (color) ; translated by Lidia Morson Tramontozzi]
- Beware! Space Junk!, text by Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Julia Heim
- Thea Stilton and the American dream, text by Thea Stilton ; illustrations by Barbara Pellizzari [and six others] ; translated by Lidia Tramontozzi
- The enormouse pearl heist, Geronimo Stilton ; [illustrations by Giuseppe Ferrario ; translated by Lidia Morson Tramontozzi]
- The haunted dinosaur, Geronimo Stilton ; illustrations by Ivan Bigarealla (pencils), Antonio Campro (inks) and Daria Cerchi (color) ; translated by Lidia Morson Tramontozzi
- Mouse overboard!, Geronimo Stilton ; illustrations by Danilo Loizedda (design) and Christian Aliprandi (color) ; translated by Lidia Morson Tramontozzi
- Rescue rebellion, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- Singing sensation, [text by Geronimo Stilton ; illustrations by Larry Keys Chiavini and others ; translated by Lidia Morson Tramontozzi]
- We'll bite your tail, Geronimo!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (pencils), Carolina Livio (inks), and Valeria Cairoli and Paolo Vicenzi (color) ; translated by Lidia Morson Tramontozzi
- The mummy with no name, [text by Geronimo Stilton ; illustrations by Roberto Ronchi, Christian Aliprandi and Davide Turotti i translated by Lidia Morson Tramontozzi]
- The hunt for the curious cheese, plus a bonus mini mystery and cheesy jokes!, Geronimo Stilton ; illustration by Silvia Bigolin [and 5 others] ; translated by Lidia Morson Tramontozzi and Julia Heim
- The race across America, [text by] Geronimo Stilton ; [Illustrations by Danilo Barozzi, Francesco Castelli, and Christian Aliprandi ; translated by Lidia Morson Tramontozzi]
- Geronimo's valentine, [text by Geronimo Stilton ; illustrations by Giuseppe Ferrario ; translated by Lidia Morson Tramontozzi]
- The journey through time, Geronimo Stilton ; translated by Lidia Tramontozzi
- Valley of the giant skeletons, [text by] Geronimo Stilton ; [illustrations by Claudio Cernuschi and Christian Aliprandi ; translated by Lidia Morson Tramontozzi]
- Down and out down under, [text by Geronimo Stilton ; illustrations by Silvia Bigolin ; translated by Lidia Morson Tramontozzi]
- Mouselets in danger, Thea Stilton ; illustrations by Barbara Pellizzari (inks) and Davide Turotti (color) ; graphics by Yuko Egusa ; translated by Lidia Morson Tramontozzi
- The underwater planet, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Anna Pizzelli
- Christmas catastrophe, [text by] Geronimo Stilton ; [illustrations by Silvia Bigolin, Christian Aliprandi and Davide Turotti ; translated by Lidia Morson Tramontozzi]
- The Christmas toy factory, Geronimo Stilton ; illustrations by Danilo Barozzi, Silvia Bigolin, and Frencesco Castelli ; translated by Lidia Morson Tramontozzi
- The journey through time, Geronimo Stilton ; translated by Lidia Tramontozzi
- Geronimo Stilton, Flight of the Red Bandit, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Christian Aliprandi ; translated by Lidia Morson Tramontozzi, 56
- Mouse overboard!, Geronimo Stilton ; illustrations by Danilo Loizedda (design) and Christian Aliprandi (color) ; translated by Lidia Morson Tramontozzi
- The missing diary, Thea Stilton ; [illustrations by Barbara Pellizzari (inks) and Davide Turotti (color) ; translated by Lidia Morson Tramontozzi], 2
- 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 treasure of Easter Island, Geronimo Stilton ; illustrations by Giuseppe Ferrario and Flavio Fausone ; translated by Lidia Morson Tramontozzi
- The underwater planet, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Anna Pizzelli
- The Karate mouse, [text by Geronimo Stilton ; illustrations by Federico Brusco, Valentina Grassini, and Chiara Sacchi ; translated by Lidia Morson Tramontozzi]
- The hunt for the secret papyrus, Geronimo Stilton
- Run for the hills, Geronimo!, [text by] Geronimo Stilton ; [cover by Giuseppe Ferrario ; illustrations by WASABI! Studio (pencils) and Christian Aliprandi (color) ; graphics by Yuko Egusa ; 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
- Don't wake the dinosaur!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; translated by Lidia Morson Tramontozzi
- The search for treasure, the sixth adventure in the Kingdom of Fantasy, Geronimo Stilton ; translated by Lidia Morson Tramontozzi
- Return of the vampire, [text by] Geronimo Stilton ; [illustrations by Ivan Bigarella (pencils and inks) and Daria Cerchi (color) ; translated by Lidia Morson Tramontozzi]
- Return of the vampire, Geronimo Stilton
- The treasure of Easter Island, Geronimo Stilton ; illustrations by Giuseppe Ferrario and Flavio Fausone ; translated by Lidia Morson Tramontozzi