| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-885-4 | 1781108854 |
| ISBN-13 | 978-1-78110-885-7 | 9781781108857 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 88-310-0552-9 | 8831005529 |
| ISBN-13 | 978-88-310-0552-4 | 9788831005524 |
| Agency | Italy | |
| Publisher | Salani Editore | |