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"In the tradition of this publisher's other visual dictionaries, this volume is crammed full of clear, easily understandable, full-color illustrations and charts explaining various scientific concepts and phenomena. Brief textual descriptions of most concepts accompany the illustrations. The arrangement is by broad disciplines, and coverage includes chemistry, physics, medicine, the life sciences, astronomy, earth science, electronics, computer science, and much more. This wonderfully informative and inexpensive volume will be useful for all audiences from middle school to adult".--"Outstanding Reference Sources : the 1999 Selection of New Titles", American Libraries, May 1999. Comp. by the Reference Sources Committee, RUSA, ALA.