What does happiness look like? For over 2,000 years philosophers have searched for it, scientists have studied it--and great artists have captured it in paint. Drawing upon his groundbreaking work in the psychology of happiness and mindfulness, Christophe Andr shares 25 paintings by a wide range of masters, including Van Gogh, Vermeer and Chagall, and invites us to consider how they capture the many colors of happiness in their art, alongside...