| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Happy名語録―一瞬で人生が変わる! Happymei/ | 978-4-8379-6381-3 (4-8379-6381-1) | 2007 |
| ツキと幸運を呼び込むHappy貯金箱―人生は大丈夫!効き目は“すぐ”表われます! tsukitokouunwoyobikomuHappychokimbako―jinseihadaijoubu!kikimeha“sugu”arawaremasu! | 978-4-8379-6414-8 (4-8379-6414-1) | 2007 |