The Zone Ser.: Zone : Revolutionary Life Plan to Put Your Body in Total Balance is a comprehensive textbook written by Barry Sears, published by HarperCollins in 1995. This hardcover book is 352 pages long and weighs 22.8 ounces. It covers various aspects of health and fitness, including nutrition, preventive medicine, general health, healthy living, diet therapy, and diet & nutrition / weight loss. The book is written in English and is part of the series called The Zone Ser. It has dimensions of 9.5 inches in length, 6.5 inches in width, and 1.1 inches in height. This textbook is a must-read for anyone looking to understand the importance of a balanced lifestyle in achieving permanent weight loss.