These maybe printed overseas (including India) by the same publisher with territorial restrictions like "not for sale in US or not for sale outside asia". It is legal to buy and use international editions as per US courts. These are legally reprinted overseas by the publisher in paperback format. FROM NEW YORK TIMES BESTSELLING AUTHOR DR. JASON FUNG “The doctor who invented intermittent fasting.”—The Daily Mail “Dr. Fung reveals how [type 2 diabetes] can be prevented and also reversed using natural dietary methods instead of medications … This is an important and timely book. Highly recommended.”—Dr. Mark Hyman, author of The Pegan Diet “Dr. Jason Fung has done it again. … Get this book!”—Dr. Steven R. Gundry, author of The Plant Paradox Book (The Code Series)set : The Obesity Code & The Diabetes Code Harness the power of intermittent fasting for lasting weight loss. Understand the science of weight gain and insulin resistance. Stop suffering and ditch calorie counting, yoyo diets, and excessive exercise. In this highly readable book, Dr. Jason Fung, long considered the founder of intermittent fasting, sets out an original theory of obesity and weight gain. He reveals that everything you've been told about how to lose weight is weight gain is driven by hormones, and only by understanding the effects of insulin and insulin resistance can we achieve lasting weight loss.
By Jason Fung 2 Book (The Code Series)set : The Obesity Code & The Diabetes Code

Authors: Jason Fung, Nina Teicholz