| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-4088-9816-0 | 1408898160 |
| ISBN-13 | 978-1-4088-9816-1 | 9781408898161 |
| Agency | English language | |
| Publishers | Bloomsbury Children's Books | |
| Bloomsbury | ||
| Bloomsbury Paperbacks | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-4088-9815-2 | 1408898152 |
| ISBN-13 | 978-1-4088-9815-4 | 9781408898154 |
| Agency | English language | |
| Publishers | Bloomsbury Children's Books | |
| Bloomsbury | ||
| Bloomsbury Paperbacks | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 84-9838-974-7 | 8498389747 |
| ISBN-13 | 978-84-9838-974-6 | 9788498389746 |
| Agency | Spain | |
| Publisher | Salamandra | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 84-9838-973-9 | 8498389739 |
| ISBN-13 | 978-84-9838-973-9 | 9788498389739 |
| Agency | Spain | |
| Publisher | Salamandra | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 84-17879-61-7 | 8417879617 |
| ISBN-13 | 978-84-17879-61-7 | 9788417879617 |
| Agency | Spain | |
| Publisher | Editorial Empúries | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | ||
| ISBN-13 | 979-11-92776-03-3 | 9791192776033 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-8392-916-2 | 8983929162 |
| ISBN-13 | 978-89-8392-916-7 | 9788983929167 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |