| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-8392-196-X | 898392196X |
| ISBN-13 | 978-89-8392-196-3 | 9788983921963 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-8392-197-8 | 8983921978 |
| ISBN-13 | 978-89-8392-197-0 | 9788983921970 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-8392-198-6 | 8983921986 |
| ISBN-13 | 978-89-8392-198-7 | 9788983921987 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-8392-199-4 | 8983921994 |
| ISBN-13 | 978-89-8392-199-4 | 9788983921994 |
| Agency | Korea, Republic | |
| Publisher | Moonhak | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-5976-014-5 | 8959760145 |
| ISBN-13 | 978-89-5976-014-5 | 9788959760145 |
| Agency | Korea, Republic | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 89-5976-015-3 | 8959760153 |
| ISBN-13 | 978-89-5976-015-2 | 9788959760152 |
| Agency | Korea, Republic | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 964-5668-35-2 | 9645668352 |
| ISBN-13 | 978-964-5668-35-6 | 9789645668356 |
| Agency | Iran | |
| Publisher | Behnam | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 964-95995-3-3 | 9649599533 |
| ISBN-13 | 978-964-95995-3-3 | 9789649599533 |
| Agency | Iran | |
| Publisher | Tahan | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 964-7470-01-0 | 9647470010 |
| ISBN-13 | 978-964-7470-01-8 | 9789647470018 |
| Agency | Iran | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 964-5668-34-4 | 9645668344 |
| ISBN-13 | 978-964-5668-34-9 | 9789645668349 |
| Agency | Iran | |
| Publisher | Behnam | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 957-33-2174-2 | 9573321742 |
| ISBN-13 | 978-957-33-2174-3 | 9789573321743 |
| Agency | Taiwan | |
| Publisher | Crown Culture Publishing Company Ltd. | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 0-439-79132-4 | 0439791324 |
| ISBN-13 | 978-0-439-79132-8 | 9780439791328 |
| Agency | English language | |
| Publishers | Scholastic Canada | |
| Scholastic | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 0-7981-4618-4 | 0798146184 |
| ISBN-13 | 978-0-7981-4618-0 | 9780798146180 |
| Agency | English language | |
| Publisher | Human & Rousseau | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 954-446-930-3 | 9544469303 |
| ISBN-13 | 978-954-446-930-6 | 9789544469306 |
| Agency | Bulgaria | |
| Publishers | Egmont | |
| Egmont Bulgaria | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 82-04-11217-3 | 8204112173 |
| ISBN-13 | 978-82-04-11217-0 | 9788204112170 |
| Agency | Norway | |
| Publisher | Damm | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 0-439-78454-9 | 0439784549 |
| ISBN-13 | 978-0-439-78454-2 | 9780439784542 |
| Agency | English language | |
| Publishers | Scholastic Canada | |
| Scholastic | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 961-6375-53-9 | 9616375539 |
| ISBN-13 | 978-961-6375-53-5 | 9789616375535 |
| Agency | Slovenia | |
| Publisher | Založba Epta | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-4177-5139-8 | 1417751398 |
| ISBN-13 | 978-1-4177-5139-6 | 9781417751396 |
| Agency | English language | |
| Publisher | Turtleback Books | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 0-439-78596-0 | 0439785960 |
| ISBN-13 | 978-0-439-78596-9 | 9780439785969 |
| Agency | English language | |
| Publishers | Scholastic Canada | |
| Scholastic | ||
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 86-505-0995-9 | 8650509959 |
| ISBN-13 | 978-86-505-0995-1 | 9788650509951 |
| Agency | former Yugoslavia | |
| Publishers | Evro Giunti | |
| Evro Book | ||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-4395-2075-5 | 1439520755 |
| ISBN-13 | 978-1-4395-2075-8 | 9781439520758 |
| Agency | English language | |
| Publisher | Paw Prints | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 961-01-0700-1 | 9610107001 |
| ISBN-13 | 978-961-01-0700-2 | 9789610107002 |
| Agency | Slovenia | |
| Publisher | Mladinska knjiga | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 608-4500-19-6 | 6084500196 |
| ISBN-13 | 978-608-4500-19-3 | 9786084500193 |
| Agency | North Macedonia | |
| Publisher | Mladinska Knjiga, Skopje | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 81-8322-208-0 | 8183222080 |
| ISBN-13 | 978-81-8322-208-2 | 9788183222082 |
| Agency | India | |
| Publisher | Manjul Publishing House | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 961-01-1835-6 | 9610118356 |
| ISBN-13 | 978-961-01-1835-0 | 9789610118350 |
| Agency | Slovenia | |
| Publisher | Mladinska knjiga | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 86-7470-673-8 | 8674706738 |
| ISBN-13 | 978-86-7470-673-2 | 9788674706732 |
| Agency | former Yugoslavia | |
| Publisher | Nova Knjiga | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 82-04-15471-2 | 8204154712 |
| ISBN-13 | 978-82-04-15471-2 | 9788204154712 |
| Agency | Norway | |
| Publisher | Damm | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 99927-59-73-9 | 9992759739 |
| ISBN-13 | 978-99927-59-73-8 | 9789992759738 |
| Agency | Albania | |
| Publisher | Dituria | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 1-338-87897-2 | 1338878972 |
| ISBN-13 | 978-1-338-87897-4 | 9781338878974 |
| Agency | English language | |
| Publishers | Arthur A. Levine Books | |
| Scholastic | ||
| not well-formed | |||||||||
| no hyphens provided | |||||||||
| The check-digit is not correct. If the rest of the ISBN is correct (and it may not be), the check digit should be: 9. | |||||||||
| Correcting check-digit gives: 984-464-201-9 which appears to be valid. The governing agency is: Bangladesh. | |||||||||
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 984-464-201-9 | 9844642019 |
| ISBN-13 | 978-984-464-201-0 | 9789844642010 |
| Agency | Bangladesh | |
| Publisher | Ankur Prakashani | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 977-14-3300-8 | 9771433008 |
| ISBN-13 | 978-977-14-3300-2 | 9789771433002 |
| Agency | Egypt | |
| Publisher | Nahdet Misr | |
| not well-formed | |||||||||
| valid hyphenation | |||||||||
| The check-digit is not correct. If the rest of the ISBN is correct (and it may not be), the check digit should be: 8. | |||||||||
| Correcting check-digit gives: 977-14-3300-8 which appears to be valid. The governing agency is: Egypt. | |||||||||
| not well-formed | |||||||||
| no hyphens provided | |||||||||
| The UCC prefix is malformed (should be 978 or 979). | |||||||||
| The check-digit is correct. | |||||||||