Book excerpt: This comprehensive book provides nutritionists with an easy-to-understand overview of key concepts in the field. The material is presented along with vivid images from the National Geographic Society, illustrations, and diagrams. Numerous pedagogical features are integrated throughout the chapters, including Health and Disease, Wellness, and Making Sense of the Information that make the material easier to understand. By following a visual approach, nutritionists will quickly learn the material in an engaging way.