| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Koshiba black beans and Tolstoy runaways | 978-962-14-4956-6 (962-14-4956-1) | 2012 |
| Koshiba green beans and Alabama meteorite | 978-962-14-4960-3 (962-14-4960-X) | 2012 |
| Mao Koshiba beans and Alaska refrigerator | 978-962-14-4959-7 (962-14-4959-6) | 2012 |