From the experts behind the New York Times bestseller The Spark and the creators of SparkPeople.com comes The Spark Solution, a breakthrough two-week diet program deemed one of the Best Diets by U.S. News & World Report. Designed to help you lose weight and optimize your health, The Spark Solution is a dynamic, comprehensive, and proven program. With an introduction by Chris Downie, founder and CEO of SparkPeople, this day-by-day guide combines...