| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 87-02-04851-5 | 8702048515 |
| ISBN-13 | 978-87-02-04851-3 | 9788702048513 |
| Agency | Denmark | |
| Publisher | Gyldendalske Boghandel | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-319-4 | 1781103194 |
| ISBN-13 | 978-1-78110-319-7 | 9781781103197 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 87-02-17327-1 | 8702173271 |
| ISBN-13 | 978-87-02-17327-7 | 9788702173277 |
| Agency | Denmark | |
| Publisher | Gyldendalske Boghandel | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 87-02-27249-0 | 8702272490 |
| ISBN-13 | 978-87-02-27249-9 | 9788702272499 |
| Agency | Denmark | |
| Publisher | Gyldendalske Boghandel | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-815-3 | 1781108153 |
| ISBN-13 | 978-1-78110-815-4 | 9781781108154 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |