ISBN 9784822602994 books & textbook
Kōfuku ressha : shiawase o toinaosu tabi
Yoshiyuki Anada; Hisae Itō; Hiroshi Kawashima; Nobumi Nakao; Takaki Hori; Sumi Miyauchi
Tōkyō : Ningennokagakushinsha, 2012. /2012-07-01 Tankobon Hardcover
isbn-10: 4822602990 / isbn-13: 9784822602994