Happiness, by Riccard Mathieu[0]. He gave an introductory talk at google too[1]. [0]http://www.amazon.com/Happiness-Guide-Developing-Lifes-Important/dp/0316057

Happiness, by Riccard Mathieu[0]. He gave an introductory talk at google too[1]. [0]http://www.amazon.com/Happiness-Guide-Developing-Lifes-Important/dp/0316057835 http://www.amazon.com/Happiness-Guide-Developing-Lifes-Impor... [1]http://video.google.com/videoplay?docid=-1424079446171087119# http://video.google.com/videoplay?docid=-1424079446171087119...