| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 951-31-2148-8 | 9513121488 |
| ISBN-13 | 978-951-31-2148-8 | 9789513121488 |
| Agency | Finland | |
| Publisher | Tammi | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-183-3 | 1781101833 |
| ISBN-13 | 978-1-78110-183-4 | 9781781101834 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-906-0 | 1781109060 |
| ISBN-13 | 978-1-78110-906-9 | 9781781109069 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |