How to Raise Children to Live Happy Lives Revealed by Happiness Studies Published by Discover Twenty-One By Takashi Maeno Price: 1650 yen (tax included) ☆ Featured in media such as NHK's Hakunetsu Kyoshitsu! The [four factors] that create happiness can be enhanced depending on your awareness! ☆ Training & Work to Increase Happiness Includes many Q&As! ♪ A book that provides theory and practice for nurturing children's happiness. Thank you for viewing.