- The hunt for the secret papyrus, plus a bonus mini mystery and cheesy jokes, Geronimo Stilton ; translated by Lidia Morson Tramontozzi and Andrea Schaffer
- Thea Stilton and the Hollywood hoax, text by Thea Stilton ; illustrations by Barbara Pellizzari and Chiara Balleello ; translated by Emily Clement
- Watch your whiskers, Stilton!, [text by Geronimo Stilton]
- A Christmas tale, Geronimo Stilton
- The sewer rat stink, Geronimo Stilton ; with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barba
- 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
- Shipwreck on the Pirate Islands, [text by Geronimo Stilton]
- Surf's up, Geronimo!, [text by Geronimo Stilton]
- Valentine's day disaster, [text by Geronimo Stilton]
- The secret of Cacklefur Castle, Geronimo Stilton ; [illustrations, Larry Keys, Blasco Tabasco, and Toffina Sakkarina ; English translation by Edizioni Piemme S.p.A.]
- A cheese-colored camper, [text by Geronimo Stilton]
- Slime for dinner, Geronimo Stilton with Tom Angleberger ; story by Elisabetta Dami ; color by Corey Barber ; story by Elisabetta Dami ; translated by Emily Clement ; lettering by Kristin Kemper
- The wild, wild West, [text by Geronimo Stilton]
- Creepella Von Cacklefur, meet me in Horrorwood, [text by Geronimo Stilton ; illustrations by Ivan Bigarella (pencils and inks) and Giorgio Campioni (color) ; translated by Lidia Tramontozzi