| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Dare to demo jugofun ijo kaiwa ga togirenai hanashikata: Sonomama hanaseru otehon ruru goju. | 978-4-7991-0250-3 (4-7991-0250-8) | 2013 | |
| (- Law series of knowledge Gakken M Bunko) speech that is liked by people in an instant ISBN: 4059020877 | 978-4-05-902087-5 (4-05-902087-7) | 2009 | |
| Tsumaranai hito towa iwasenai hanashikata: Iine ga moraeru komyunikeshon ruru 58. | 978-4-7667-8516-6 (4-7667-8516-9) | 2012 | Misao Kajimura |
すばる舎 (subarusha) · 学習研究社 (gakushuukenkyuusha) · 経済界 (keizaikai)