| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-890-0 | 1781108900 |
| ISBN-13 | 978-1-78110-890-1 | 9781781108901 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 88-310-0557-X | 883100557X |
| ISBN-13 | 978-88-310-0557-9 | 9788831005579 |
| Agency | Italy | |
| Publisher | Salani Editore | |