- Author: Kardy Glenn
- Language: English
- Year: 2005
- Author: Hatteri Chihiro, Kardy Glenn
- Language: English
- Year: 2004
- Author: 佐々木 仁子 松本 紀子 Hitoko Sasaki Noriko Matsumoto
- Language: English, Chinese, Japanese
- Year: 2010
- Author: Abo Kimie, Kurusu Satomi, Maebō Kanako, Miyata Kōji, Inō Hiroaki, Honda Yukari
- Language: Japanese
- Year: 2011