| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 84-9838-764-7 | 8498387647 |
| ISBN-13 | 978-84-9838-764-3 | 9788498387643 |
| Agency | Spain | |
| Publisher | Salamandra | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 3-551-55902-3 | 3551559023 |
| ISBN-13 | 978-3-551-55902-9 | 9783551559029 |
| Agency | German language | |
| Publisher | Carlsen | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 87-02-20468-1 | 8702204681 |
| ISBN-13 | 978-87-02-20468-1 | 9788702204681 |
| Agency | Denmark | |
| Publisher | Gyldendalske Boghandel | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 84-9838-765-5 | 8498387655 |
| ISBN-13 | 978-84-9838-765-0 | 9788498387650 |
| Agency | Spain | |
| Publisher | Salamandra | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 84-9838-763-9 | 8498387639 |
| ISBN-13 | 978-84-9838-763-6 | 9788498387636 |
| Agency | Spain | |
| Publisher | Salamandra | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 0-545-79132-4 | 0545791324 |
| ISBN-13 | 978-0-545-79132-8 | 9780545791328 |
| Agency | English language | |
| Publishers | Arthur A. Levine Books | |
| Scholastic | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 88-6918-518-4 | 8869185184 |
| ISBN-13 | 978-88-6918-518-2 | 9788869185182 |
| Agency | Italy | |
| Publisher | Salani Editore | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 983-00-7877-9 | 9830078779 |
| ISBN-13 | 978-983-00-7877-9 | 9789830078779 |
| Agency | Malaysia | |
| Publisher | Penerbitan Pelangi Sdn Bhd | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 5-389-11558-9 | 5389115589 |
| ISBN-13 | 978-5-389-11558-3 | 9785389115583 |
| Agency | former U.S.S.R | |
| Publisher | Machaon | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 84-16367-65-5 | 8416367655 |
| ISBN-13 | 978-84-16367-65-8 | 9788416367658 |
| Agency | Spain | |
| Publisher | Editorial Empúries | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 616-04-3345-8 | 6160433458 |
| ISBN-13 | 978-616-04-3345-2 | 9786160433452 |
| Agency | Thailand | |
| Publisher | NANMEEBOOKS | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-4088-4565-2 | 1408845652 |
| ISBN-13 | 978-1-4088-4565-3 | 9781408845653 |
| Agency | English language | |
| Publishers | Bloomsbury Children's Books | |
| Bloomsbury | ||
| Bloomsbury Paperbacks | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 86-505-2900-3 | 8650529003 |
| ISBN-13 | 978-86-505-2900-3 | 9788650529003 |
| Agency | former Yugoslavia | |
| Publishers | Evro Giunti | |
| Evro Book | ||
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 618-01-3163-5 | 6180131635 |
| ISBN-13 | 978-618-01-3163-5 | 9786180131635 |
| Agency | Greece | |
| Publisher | Psychogios Publications | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 88-310-0015-2 | 8831000152 |
| ISBN-13 | 978-88-310-0015-4 | 9788831000154 |
| Agency | Italy | |
| Publisher | Salani Editore | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 954-27-1772-5 | 9542717725 |
| ISBN-13 | 978-954-27-1772-0 | 9789542717720 |
| Agency | Bulgaria | |
| Publishers | Egmont | |
| Egmont Bulgaria | ||