| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 3-551-55307-6 | 3551553076 |
| ISBN-13 | 978-3-551-55307-2 | 9783551553072 |
| Agency | German language | |
| Publisher | Carlsen | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 3-551-35947-4 | 3551359474 |
| ISBN-13 | 978-3-551-35947-6 | 9783551359476 |
| Agency | German language | |
| Publisher | Carlsen | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-683-5 | 1781106835 |
| ISBN-13 | 978-1-78110-683-9 | 9781781106839 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 3-551-55697-0 | 3551556970 |
| ISBN-13 | 978-3-551-55697-4 | 9783551556974 |
| Agency | German language | |
| Publisher | Carlsen | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 3-551-55919-8 | 3551559198 |
| ISBN-13 | 978-3-551-55919-7 | 9783551559197 |
| Agency | German language | |
| Publisher | Carlsen | |