This document is an introduction to a book that aims to help readers transform their body in 28 days. It discusses how weight loss is difficult but possible through changing one's mindset, accepting oneself, and understanding that lasting change takes time. The book will provide a plan to help readers lose weight in a healthy, sustainable way over 28 days and beyond by creating a calorie deficit through diet and exercise. It emphasizes consistently tracking progress through measurements to stay motivated during the weight loss journey.