A book explaining how to make life exciting with 55 switches. I have read it only once. It is in beautiful condition with no folds. I have kept it at home, thank you. - Title: The Secret to Happiness - Author: Satoshi Uenishi - Price: 1430 yen - ISBN: 978-4-8121-2856-2 - Contents: How to make life exciting with 55 switches - Publisher: Nippan IPS Thank you for looking.