| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Henry e il potere dell'immaginazione. The Secret | 978-88-452-8065-8 (88-452-8065-9) | 2015 |
| Power of Henry's Imagination | 978-1-4711-4519-3 (1-4711-4519-0) | 2015 |
| The Power of Henry's Imagination | 978-1-4814-0626-0 (1-4814-0626-4) | 2015 |
Bompiani · Simon & Schuster · Simon & Schuster UK