| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Gakuryoku to toranjisshon no kiki: Tozasareta otona eno michi | 978-4-7608-9524-3 (4-7608-9524-8) | 2007 | Hiroaki Mimizuka |
| Kokusai hikaku ni miru sekai no kazoku to kosodate | 978-4-623-05689-7 (4-623-05689-9) | 2010 | Hideki Watanabe · Keiko Funabashi · Hiroe Nakano |