There are many books that guide you to lose weight but 4 week diet is the best of all. It clearly explains what our body needs in order to lose excessive weight and also highlights the benefits of exercise and internal motivation in the journey of losing weight. This book 4-week diet apart from giving my weight loss journey a push, has helped me maintain a healthier lifestyle. I think this book is a game changer and every person should read it to lead a better and healthy life.