Most Popular Books
- Good Night, Chirp
- Nani Punyopunyo? (The play by touching the Piyo-chan!) ISBN: 4052032543 (2010) [Japanese Import]
- Akai bear bear and green (2005) ISBN: 4861761050 [Japanese Import]
- (The play by touching the Piyo-chan!) Chickabiddy Greetings ISBN: 4052032535 (2010) [Japanese Import]
- The Sound of Good Night