T.T. ยท T. Takahashi
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Gamba bulldozer (Vehicles Story ) ISBN: 4032310203 | 978-4-03-231020-7 (4-03-231020-3) | 1982 | Masao Tsurumi |
| Pipo-kun Xie squeak (Vehicles Story ) ISBN: 4032310408 | 978-4-03-231040-5 (4-03-231040-8) | 1983 | Hiroshi Sunada |