| 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 | 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 | 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 | 954-27-2547-7 | 9542725477 |
| ISBN-13 | 978-954-27-2547-3 | 9789542725473 |
| Agency | Bulgaria | |
| Publishers | Egmont | |
| Egmont Bulgaria | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-8392-845-X | 898392845X |
| ISBN-13 | 978-89-8392-845-0 | 9788983928450 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 87-02-31936-5 | 8702319365 |
| ISBN-13 | 978-87-02-31936-1 | 9788702319361 |
| Agency | Denmark | |
| Publisher | Gyldendalske Boghandel | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 2-07-515888-6 | 2075158886 |
| ISBN-13 | 978-2-07-515888-6 | 9782075158886 |
| Agency | French language | |
| Publisher | Gallimard Jeunesse | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-338-71653-0 | 1338716530 |
| ISBN-13 | 978-1-338-71653-5 | 9781338716535 |
| Agency | English language | |
| Publishers | Arthur A. Levine Books | |
| Scholastic | ||
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 618-01-4363-3 | 6180143633 |
| ISBN-13 | 978-618-01-4363-8 | 9786180143638 |
| Agency | Greece | |
| Publisher | Psychogios Publications | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 954-27-2572-8 | 9542725728 |
| ISBN-13 | 978-954-27-2572-5 | 9789542725725 |
| Agency | Bulgaria | |
| Publishers | Egmont | |
| Egmont Bulgaria | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | ||
| ISBN-13 | 979-11-92776-26-2 | 9791192776262 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 618-01-5074-5 | 6180150745 |
| ISBN-13 | 978-618-01-5074-2 | 9786180150742 |
| Agency | Greece | |
| Publisher | Psychogios Publications | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-338-81528-8 | 1338815288 |
| ISBN-13 | 978-1-338-81528-3 | 9781338815283 |
| Agency | English language | |
| Publishers | Arthur A. Levine Books | |
| Scholastic | ||