| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 3-551-55306-8 | 3551553068 |
| ISBN-13 | 978-3-551-55306-5 | 9783551553065 |
| Agency | German language | |
| Publisher | Carlsen | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 3-551-35948-2 | 3551359482 |
| ISBN-13 | 978-3-551-35948-3 | 9783551359483 |
| Agency | German language | |
| Publisher | Carlsen | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-912-5 | 1781109125 |
| ISBN-13 | 978-1-78110-912-0 | 9781781109120 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 3-551-55698-9 | 3551556989 |
| ISBN-13 | 978-3-551-55698-1 | 9783551556981 |
| Agency | German language | |
| Publisher | Carlsen | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 3-551-55696-2 | 3551556962 |
| ISBN-13 | 978-3-551-55696-7 | 9783551556967 |
| Agency | German language | |
| Publisher | Carlsen | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-893-5 | 1781108935 |
| ISBN-13 | 978-1-78110-893-2 | 9781781108932 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |