Pages containing three or four easy-to-read sentences face colorful full-page photos to explain the importance sleep, exercise, nutrition, and hygiene have on human health and well-being. Gleisner offers basic physiology facts as well as encouragement of good choices. "Healthy Hints" sidebars add to the main text; final "Get Started" lists offer practical tips for optimizing personal responsibility. Reading list, websites. Glos., ind.