| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-888-9 | 1781108889 |
| ISBN-13 | 978-1-78110-888-8 | 9781781108888 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 88-310-0555-3 | 8831005553 |
| ISBN-13 | 978-88-310-0555-5 | 9788831005555 |
| Agency | Italy | |
| Publisher | Salani Editore | |