- Thea Stilton and the Hollywood hoax, text by Thea Stilton ; illustrations by Barbara Pellizzari and Chiara Balleello ; translated by Emily Clement
- Thea Stilton and the lost letters, text by Thea Stilton ; illustrations by Barbara Pellizzari and Chiara Balleello (pencils), Valeria Cairoli (base color), and Daniele Verzini (color) ; translated by Emily Clement
- The journey to Atlantis, [text by] Thea Stilton ; [illustrations by Barbara Pellizzari and Chiara Balleello]
- Thea Stilton and the Madagascar madness, text by Thea Stilton ; illustrations by Barbara Pellizzari and Chiara Balleello (design), Valerie Cairoli (color base), and Valentina Grassini (color) ; translated by Emily Clement
- Thea Stilton and the missing myth, text by Thea Stilton ; illustrations by Barbara Pellizzari and Chiara Balleello (design) ; translated by Emily Clement
- The secret of the snow, Thea Stilton
- Thea Stilton and the race for the gold, Thea Stilton
- The phantom of the orchestra, Thea Stilton
- A Mouseford musical, Thea Stilton ; illustrations by Chiara Balleello and Francesco Castelli ; translated by Anna Pizzelli
- The treasure of the sea, Geronimo Stilton, Thea Stilton ; [Illustrations by Chiara Balleello and Barbara Pellizzari (design); Alessandro Muscillo]
- Thea Stilton and the frozen fiasco, by Thea Stilton ; illustrations by Barbara Pellizzari and Chiara Balleello ; translated by Emily Clement
- The cloud castle, Thea Stilton ; illustrations by Danilo Barozzi, Chiara Balleello, and Barbara Pellizzari (design), and Alessandro Muscillo (color) ; translated by Emily Clement
- Thea Stilton and the American dream, Thea Stilton ; illustrations by Barbara Pellizzari, Flavio Ferron, Giuseppe Facciotto, Chiara Balleello, Valeria Brambilla, [and 2 others] ; translated by Lidia Tramontozzi