| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-292-9 | 1781102929 |
| ISBN-13 | 978-1-78110-292-3 | 9781781102923 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-329-1 | 1781103291 |
| ISBN-13 | 978-1-78110-329-6 | 9781781103296 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-805-6 | 1781108056 |
| ISBN-13 | 978-1-78110-805-5 | 9781781108055 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 618-01-2925-8 | 6180129258 |
| ISBN-13 | 978-618-01-2925-0 | 9786180129250 |
| Agency | Greece | |
| Publisher | Psychogios Publications | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78939-081-8 | 1789390818 |
| ISBN-13 | 978-1-78939-081-0 | 9781789390810 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 1-78939-184-9 | 1789391849 |
| ISBN-13 | 978-1-78939-184-8 | 9781789391848 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |