New York TimesBestsellerWashington PostBestsellerThe author of the blockbusterNew York Timesbestsellers,The Happiness ProjectandHappier at Home,tackles the critical question:How do we change?

Gretchen Rubin's answer: throughhabits. 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.