A groundbreaking look at how we can harness small changes in our surroundings to lead happier, healthier, more fulfilling lives. Using cutting-edge neuroscience and psychology, the renowned designer Ingrid Fetell Lee, whose TED talk has been viewed over 1 million times, explores how the mundane spaces and objects we interact with every day have surprising and powerful effects on our mood. We are often taught that our external environment has little or no impact on our inner joy. Increasingly, experts urge us to find balance and calm by looking inward - through mindfulness or meditation - and muting the outside world. But what if the natural vibrancy of our surroundings is actually our most renewable and easily accessible source of happiness? In Joyful, Fetell Lee shows us how we can harness the power of our surroundings to access this supremely important emotion.