| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Isshun de kokoro o tsukamu nanajunana no bunsho tekunikku. | 978-4-471-19124-5 (4-471-19124-1) | 2013 |
| Shiawasena okanemochi ni naru tameno daifugo no ojiisan no oshie. | 978-4-901491-50-1 (4-901491-50-4) | 2006 |
| Technique in many ways 10 ready-to-use - speech of people that can be made to think indeed! ISBN: 4877951431 | 978-4-87795-143-6 (4-87795-143-1) | 2008 |