| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-293-7 | 1781102937 |
| ISBN-13 | 978-1-78110-293-0 | 9781781102930 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-330-5 | 1781103305 |
| ISBN-13 | 978-1-78110-330-2 | 9781781103302 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-806-4 | 1781108064 |
| ISBN-13 | 978-1-78110-806-2 | 9781781108062 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 618-01-2926-6 | 6180129266 |
| ISBN-13 | 978-618-01-2926-7 | 9786180129267 |
| Agency | Greece | |
| Publisher | Psychogios Publications | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78939-082-6 | 1789390826 |
| ISBN-13 | 978-1-78939-082-7 | 9781789390827 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 1-78939-180-6 | 1789391806 |
| ISBN-13 | 978-1-78939-180-0 | 9781789391800 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |