Children will be astounded by the vast amount of knowledge crammed into this illustrated thematic dictionary of the natural sciences. Thousands of key words and concepts are explained in text and more than 400 full-color photographs, illustrations, and diagrams. Quick access to definitions and an example of how each word is used in context add to the book's utility and appeal. Other unique features include a thoroughly accessible cross-referencing system, a substantial biographical section, and a comprehensive index. Youngsters will find themselves referring to The Dictionary of Nature again and again-and so will their parents and teachers!