| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-4088-8380-5 | 1408883805 |
| ISBN-13 | 978-1-4088-8380-8 | 9781408883808 |
| Agency | English language | |
| Publishers | Bloomsbury Children's Books | |
| Bloomsbury | ||
| Bloomsbury Paperbacks | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-4088-8379-1 | 1408883791 |
| ISBN-13 | 978-1-4088-8379-2 | 9781408883792 |
| Agency | English language | |
| Publishers | Bloomsbury Children's Books | |
| Bloomsbury | ||
| Bloomsbury Paperbacks | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 84-9838-889-9 | 8498388899 |
| ISBN-13 | 978-84-9838-889-3 | 9788498388893 |
| Agency | Spain | |
| Publisher | Salamandra | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 84-17016-68-6 | 8417016686 |
| ISBN-13 | 978-84-17016-68-5 | 9788417016685 |
| Agency | Spain | |
| Publisher | Editorial Empúries | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 84-17879-79-X | 841787979X |
| ISBN-13 | 978-84-17879-79-2 | 9788417879792 |
| Agency | Spain | |
| Publisher | Editorial Empúries | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-8392-846-8 | 8983928468 |
| ISBN-13 | 978-89-8392-846-7 | 9788983928467 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-8392-908-1 | 8983929081 |
| ISBN-13 | 978-89-8392-908-2 | 9788983929082 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |