This is a basic introduction to the science and practice of iridology. Diagrams and photographs demonstrate various conditions in the iris. A must for anybody beginning the study of iridology. Paperback 40 Pages Topics Include: What is Iridology & How Does It Work? Physiology and Basic Iris Topography Major Iris Signs, Markings, Color & Variations Hering's Law of Cure Making an Analysis Iridology and Nutrition What Iridology Does Not Do