The following books can help you develop a more positive outlook on life. "The Art of Happiness" by the Dalai Lama and Howard Cutler "Happiness: A Guide to Developing Life's Most Important Skill" by Matthieu Ricard "The Happiness Hypothesis" by Jonathan Haidt "Stumbling on Happiness" by Daniel Gilbert "The How of Happiness: A Scientific Approach to Getting the Life You Want" by Sonja Lyubomirsky "Flow: The Psychology of Optimal Experience" by Mihaly Csikszentmihalyi "The Pow
