"It introduces a logical theory of photographic lighting so if you are starting out in photography you will learn how to predict results before setting up lights. This is not primarily a how-to book with only set examples for you to copy. Rather, Light: Science and Magic provides you with a comprehensive theory of the nature and principles of light to allow you to use lighting to express your own creativity. Numerous photographs and illustrations provide clear examples of the theories, while sidebars highlight special lighting questions. Expanded chapters on available light in portraiture, as well as new information on digital equipment and terminology make this a must have update!" - product description.