| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-78110-892-7 | 1781108927 |
| ISBN-13 | 978-1-78110-892-5 | 9781781108925 |
| Agency | English language | |
| Publisher | Pottermore Publishing | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-4088-9315-0 | 1408893150 |
| ISBN-13 | 978-1-4088-9315-9 | 9781408893159 |
| Agency | English language | |
| Publishers | Bloomsbury Children's Books | |
| Bloomsbury | ||
| Bloomsbury Paperbacks | ||