40/30/30 Diet Manual Author:John Erickson, 40;30;30 Nutritionist, Zone Diet Instructor The 40-30-30 Diet Manual contains customizable food charts that allow you to portion each meal according to the precise ratio of 40% carbohydrates, 30% protein and 30% fat. Most diet books are like novels you need to read for two weeks before you can get can begin. By contrast, you can get started right away with the 40-30-30 Diet Manual. The 40... more »-30-30 Diet Manual is a new paradigm for Americans it makes the 40-30-30 system easy-to-follow according to a red, white and blue color coding system. This high tech diet program trains your mind to think of food in terms of combining your proteins, carbohydrates and fats at each meal. John Erickson s famous food combining charts mark red for protein, white for carbohydrates and blue for fats. By combining all three, it will always equal a 40/30/30 balanced meal.« less