- The missing diary, Thea Stilton ; [illustrations by Barbara Pellizzari (inks) and Davide Turotti (color) ; translated by Lidia Morson Tramontozzi], 2
- Thea Stilton and the journey to the lion's den, [text by Thea Stilton ; illustrations by Barbara Pellizzari and Daniele Verzini ; graphics by Chiara Cebraro ; translated by Emily Clement]
- Mice take the stage, Thea Stilton ; illustrations by Barbara Pellizzari and Alessandro Muscillo ; translated by Julia Heim
- Thea Stilton and the Black Forest burglary, text by Thea Stilton ; illustrations by Barbara Pellizzari and Flavio Ferron ; translated by Anna Pizzelli
- Thea Stilton and the treasure seekers, compass of the stars, Thea Stilton ; [translated by Andrea Schaffer ; illustrations by Giuseppe Facciotto, Chiara Balleello, Barbara Pellizzari, Valeria Brambilla, and Alessandro Muscillo]
- Thea Stilton and the tropical treasure, text by Thea Stilton ; illustrations by Barbara Pellizzari and Chiara Balleello (design), and Valeria Cairoli and Daniele Verzini (color) ; translated by Emily Clement
- The Land of Flowers, text by Thea Stilton ; cover by Caterina Giorgetti (design) and Flavio Ferron (color) ; illustrations by Giuseppe Facciotto (layout), Chiara Balleello and Barbara Pellizzari (pencils and inks), and Alessandro Muscillo (color) ; translated by Emily Clement
- The treasure of the sea, Geronimo Stilton, Thea Stilton ; [Illustrations by Chiara Balleello and Barbara Pellizzari (design); Alessandro Muscillo]