| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 88-310-0416-6 | 8831004166 |
| ISBN-13 | 978-88-310-0416-9 | 9788831004169 |
| Agency | Italy | |
| Publisher | Salani Editore | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-8392-820-4 | 8983928204 |
| ISBN-13 | 978-89-8392-820-7 | 9788983928207 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 87-02-30158-X | 870230158X |
| ISBN-13 | 978-87-02-30158-8 | 9788702301588 |
| Agency | Denmark | |
| Publisher | Gyldendalske Boghandel | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 84-18174-07-2 | 8418174072 |
| ISBN-13 | 978-84-18174-07-0 | 9788418174070 |
| Agency | Spain | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 952-04-2058-4 | 9520420584 |
| ISBN-13 | 978-952-04-2058-1 | 9789520420581 |
| Agency | Finland | |
| Publisher | Tammi | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-5266-2658-6 | 1526626586 |
| ISBN-13 | 978-1-5266-2658-5 | 9781526626585 |
| Agency | English language | |
| Publishers | Bloomsbury Children's Books | |
| Bloomsbury | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-338-59670-5 | 1338596705 |
| ISBN-13 | 978-1-338-59670-0 | 9781338596700 |
| Agency | English language | |
| Publishers | Arthur A. Levine Books | |
| Scholastic | ||
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 3-551-55831-0 | 3551558310 |
| ISBN-13 | 978-3-551-55831-2 | 9783551558312 |
| Agency | German language | |
| Publisher | Carlsen | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 618-01-3941-5 | 6180139415 |
| ISBN-13 | 978-618-01-3941-9 | 9786180139419 |
| Agency | Greece | |
| Publisher | Psychogios Publications | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 616-04-6496-5 | 6160464965 |
| ISBN-13 | 978-616-04-6496-8 | 9786160464968 |
| Agency | Thailand | |
| Publisher | NANMEEBOOKS | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 80-551-9165-4 | 8055191654 |
| ISBN-13 | 978-80-551-9165-2 | 9788055191652 |
| Agency | former Czechoslovakia | |
| Publisher | IKAR | |