- Stilton, Geronimo, Geronimo Stilton reporter, v. 9
- Stilton, Geronimo, Geronimo Stilton reporter, v. 1
- The haunted dinosaur, Geronimo Stilton ; illustrations by Ivan Bigarella (pencils), Antonio Campo (inks) and Daria Cerchi (color) ; translated by Lidia Morson Tramontozzi
- Last Ride at Luna Park
- Geronimo Stilton reporter, by Geronimo Stilton ; art by Alessandro Muscillo ; color by Christian Aliprandi, 10
- The Hawaiian heist, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, and Daria Cerchi ; graphics by Michela Battaglin ; translated by Anna Pizzelli
- Merry Christmas, Geronimo!, [text by] Geronimo Stilton ; [illustrations by Matt Wolf and Blasco Tobasco ; graphics by Merenguita Gingermouse]
- Stilton, Geronimo, Spacemice, bk. 2
- Shoo, caveflies!, Geronimo Stilton ; illustrations by Giuseppe Facciotto (pencils), Carolina Livio (inks), and Daniele Verzini and Valeria Cairoli (colors) ; translated by Julia Heim
- Geronimo Stilton, Books 1-3
- Geronimo Stilton, by Geronimo Stilton ; [illustrations by Lorenzo de Pretto ; translation by Nanette McGuinness ; lettering by Ortho], #1
- Stilton, Geronimo, Geronimo Stilton reporter, v. 6
- Stilton, Geronimo, Cavemice, bk. 8
- The golden statue plot, text by Geronimo Stilton ; illustrations by Danilo Loizedda [and ten others] ; graphics by Paola Cantone and Michela Battaglin ; translated by Julia Heim
- The treasure of Easter Island, Geronimo Stilton ; illustrations by Giuseppe Ferrario (design) and Flavio Fausone (color) ; graphics by Paola Zadra ; translated by Lidia Morson Tramontozzi
- The wizard's wand, the ninth adventure in the Kingdom of Fantasy, Geronimo Stilton ; [translated by Julia Heim ; illustrated by Silvia Bigolin, Carla De Bernardi, Alessandro Muscillo, Federico Brusco, Silvia Fusetti, and Piemme's Archives ; color by Christian Alipransi ; graphics by Marta Lorini, Chiara Cebraro, Michela Battaglin, and Daria Colombo]
- Spacemice, Geronimo Stilton ; [Illustrations by Giuseppe Facciotto and Daniele Verzini ; translated by Emily Clement], 1
- Time warp, the seventh journey through time, Geronimo Stilton ; illustrations by Silvia Bigolin, Carla De Bernardi, and Alessandro Muscillo ; graphics by Chiara Cebraro and Marta Lorini ; translated by Beth Dunfey
- The Phoenix of Destiny
- Stilton, Geronimo, Journey through time (Series), bk. 4
- Geronimo Stilton, by Geronimo Stilton ; [script by Leonardo Favia ; illustrations by Federica Salfo and color by Mirka Andolfo ; based on an original idea by Elisabetta Dami ; translation by Nanette McGuinness.], #10
- Flight of the Red Bandit, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Christian Aliprandi (color) ; graphics by Chiara Cebraro ; translated by Lidia Morson Tramontozzi
- Happy birthday, Geronimo!, Geronimo Stilton ; illustrations by Danilo Loizedda, Antonio Campo, and Daria Cerchi ; translated by Lidia Tramontozzi
- Mouse house hunter, Geronimo Stilton ; illustrations by Danilo Loizedda (design) and Christian Aliprandi (color) ; graphics by Chiara Cebraro ; translated by Julia Heim
- Geronimo Stilton reporter, by Geronimo Stilton ; art by Alessandro Muscillo ; color by Christian Aliprandi ; original lettering by Maria Letizia Mirabella, 9
- The way of the samurai, text by Geronimo Stilton ; illustrations by Blasco Pisapia and Danilo Barozzi ; color by Romina Denti and Christian Aliprandi ; graphics by Marta Lorini ; translated by Lidia Morson Tramontozzi
- 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, 4
- Stilton, Geronimo, Cavemice, bk. 2
- The dragon prophecy, the fourth adventure in the Kingdom of Fantasy, text by Geronimo Stilton ; illustrations by Danilo Barozzi, Silvia Bigolin, and Giuseppe Giundani ; color by Christian Aliprandi ; graphics by Yuko Egusa and Marta Lorini ; translated by Julia Heim
- A Christmas carol, [adapted by] Geronimo Stilton ; based on the novel by Charles Dickens ; [illustrations by Andrea Denegri and Edwyn Nori] ; [translated by Emily Clement]
- Stilton, Geronimo, Spacemice, bk. 4
- Stilton, Geronimo, Journey through time (Series), bk. 2
- Geronimo Stilton, by Geronimo Stilton ; story by Leonardo Favia and Francesco Savino ; script by Francesco Savino ; illustrations by Nicoletta Baldari ; Nanette McGuinness, translation, #16
- Cavemice, Geronimo Stilton ; illustrations by Giuseppe Facciotto (design) and Daniele Verzini (color) ; graphics by Marta Lorini ; translated by Julia Heim, 4
- Meet me in Horrorwood, text by Geronimo Stilton ; illustrations by Ivan Bigarella (pencils and inks) and Giorgio Campioni (color) ; graphics by Yuko Egusa ; translated by Lidia Tramontozzi
- Mighty Mount Kilimanjaro, Geronimo Stilton ; [illustrations by Roberto Ronchi and Silvia Bigolin]
- Stilton, Geronimo, Spacemice, bk. 1
- Slime for Dinner
- Wedding crasher, Geronimo Stilton ; illustrations by Roberto Ronchi, Christian Aliprandi and David Turotti ; graphics by Merenguita Gingermouse and Michela Battaglin
- Four mice deep in the jungle, Geronimo Stilton
- I'm too fond of my fur!, Geronimo Stilton ; [illustrations by Larry Keys ; graphics by Merenguita Gingermouse and Marina Bonnani]
- Paws off, Cheddarface!, Geronimo Stilton ; [illustrations by Mark Nithael and Kat Steven ; graphics by Merenguita Gingerhouse and Marina Bonanni]
- Geronimo Stilton, by Geronimo Stilton ; [script by Demetrio Bargellini ; illustrations by Wasabi! Studio ; color by Davide Turotti ; translation by Nanette McGuinness ; lettering by Ortho], #5
- The mystery in Venice, text by Geronimo Stilton ; illustrations by Lorenzo De Pretto (pencils) and Davide Corsi (color) ; graphics by Yuko Egusa ; translated by Julia Heim
- The volcano of fire, the fifth adventure in the Kingdom of Fantasy, Geronimo Stilton ; illustrations by Danilo Barozzi (design), Silvia Bigolin (design), Gabo Leon Bernstein (design and color), Christian Aliprandi (color) and Piemme's Archives ; graphics by Marta Lorini ; 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
- The Ship of Secrets
- Geronimo Stilton, reporter, by Geronimo Stilton ; art by Alessandro Muscillo ; color by Christian Aliprandi ; original lettering by Maria Letizia Mirabella, 6
- Stilton, Geronimo, Geronimo Stilton reporter, v. 10
- Down and out down under, Geronimo Stilton ; [illustrations by Silvia Bigolin ; graphics by Merenguita Gingerhouse and Tiziano Finessi]