| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 5-389-07788-1 | 5389077881 |
| ISBN-13 | 978-5-389-07788-1 | 9785389077881 |
| Agency | former U.S.S.R | |
| Publisher | Machaon | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-190-6 | 1781101906 |
| ISBN-13 | 978-1-78110-190-2 | 9781781101902 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |