In a memoir spanning the most transformative years of modern psychology, the influential psychologist recounts how he learned to study optimism, the stories behind some of his major findings, and his own early battles with depression.

The influential former president of the American Psychological Association chronicles how the psychology profession has significantly changed since the mid-20th century, sharing the human stories behind current advances while exploring how the field has shaped politics, the military, education and life quality for everyday people. By the author of Learned Optimism. 30,000 first printing.