New York Times Bestseller Washington Post Bestseller The author of the blockbuster New York Times bestsellers, The Happiness Project and Happier at Home, tackles the critical question: How do we change? Gretchen Rubin's answer: through habits. Habits are the invisible architecture of everyday life. It takes work to make a habit, but once that habit is set, we can harness the energy of habits to build happier, stronger, more productive lives. So if habits are a key to change, then what we