From one of the leading members of the Positive Psychology movement comes a brilliant, accessible guide that draws on cutting-edge research and lab-tested tools to help you create a healthier, more vibrant, and flourishing life. Dr Barbara Fredrickson explains why positivity is more important than happiness; how it relieves depression, broadens minds, and builds lives; and how to tap into your own sources of positivity. With Positivity, you'll learn to see new possibilities, bounce back from setbacks, connect with others, and become the best version of yourself.