"The Happy Life: Lessons from the World's Longest Scientific Study of Happiness" is a book that invites readers to delve into the essence of happiness through an overview of more than 80 years of research. The author of this book is Robert Waldingham, who reveals the results of the famous "Happiness Study" of the Stanford University Grant, the longest study in the world. In this book, you will find valuable insights into what really makes people happy throughout life. The author shares not only the results of research, but also personal reflections and advice that will help everyone understand what true happiness is. Thanks to this book, you will be able to rethink your vision of happiness, find real ways to achieve harmony and well-being in life.