RICHARD CARLSON, Ph.D. was considered to be one of the world's foremost experts on happiness and stress reduction. His books have sold more than 26 million copies worldwide. These include the bestselling Don't Sweat the Small Stuff series, You Can Be Happy No Matter What, Slowing Down to the Speed of Life (with Joseph Bailey), and Easier Than You Think. His website is www.dontsweat.com. He passed away in 2006.