A book filled with practical advice for pursuing inner richness. - Title: Happiness is Determined by Your Heart - Author: Kazuko Watanabe - Publisher: PHP Institute - ISBN: 978-4-569-78499-1 - Price: 1,000 yen (excluding tax) Purchased new at a bookstore and read once. In good condition, but please be aware that there may be overlooked imperfections. Thank you for looking.