| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-8392-934-0 | 8983929340 |
| ISBN-13 | 978-89-8392-934-1 | 9788983929341 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-8392-935-9 | 8983929359 |
| ISBN-13 | 978-89-8392-935-8 | 9788983929358 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-8392-936-7 | 8983929367 |
| ISBN-13 | 978-89-8392-936-5 | 9788983929365 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-8392-937-5 | 8983929375 |
| ISBN-13 | 978-89-8392-937-2 | 9788983929372 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | ||
| ISBN-13 | 979-11-92776-14-9 | 9791192776149 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | ||
| ISBN-13 | 979-11-92776-15-6 | 9791192776156 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-5266-1031-0 | 1526610310 |
| ISBN-13 | 978-1-5266-1031-7 | 9781526610317 |
| Agency | English language | |
| Publishers | Bloomsbury Children's Books | |
| Bloomsbury | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-5266-1032-9 | 1526610329 |
| ISBN-13 | 978-1-5266-1032-4 | 9781526610324 |
| Agency | English language | |
| Publishers | Bloomsbury Children's Books | |
| Bloomsbury | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 84-18174-38-2 | 8418174382 |
| ISBN-13 | 978-84-18174-38-4 | 9788418174384 |
| Agency | Spain | |