NATIONAL BESTSELLER • The trendsetting designer known for her effortless style shares the secrets of the art of layering, with more than 250 gorgeous photographs of her signature interiors.  “Livability is my true north. The materials I use time and again all change with age and wear. Not only is that okay, it’s how you achieve more than a re-creation of what you’ve already seen, or what somebody else has done. You can do this, too—I promise.”—from the introduction Designing