"Ikigai: The Japanese Secret to a Long and Happy Life" is a best-selling self-help book by Héctor García and Francesc Miralles, published in 2016. The book explores the Japanese concept of ikigai (生き甲斐), which roughly translates to "reason for being" or the purpose that makes life worth living. It combines insights from Japanese culture, philosophy, and science to uncover how ikigai contributes to happiness and longevity.