NEW YORK TIMES BESTSELLER • In this lovely, easy-to-use illustrated guide to decluttering, the beloved author of The Happiness Project shows us how to take control of our stuff—and, by extension, our lives.   Gretchen Rubin knows firsthand that creating order can make our lives happier, healthier, more productive, and more creative. But for most of us, a rigid, one-size-fits-all solution doesn't work. When we tailor our approach to suit our own particular challenges and habit