"Eat This Not That! : Thousands of Simple Food Swaps That Can Save You 10, 20, 30 Pounds-Or More!" is a trade paperback book published by Potter/Ten SPEED/Harmony/Rodale in 2007. It is authored by David Zinczenko and Matt Goulding, offering nutrition advice and weight loss tips through food swaps. The book includes illustrations, has 304 pages, and covers topics related to cooking, health, fitness, and medical aspects.