Ultimate Visual Dictionary 2001 Dorling Kindersley $40 (ISBN 0-7894-6111-0) Review by Robert Hirsch If you like looking at images that visually explain how the world is put together this colorful book is a sheer volume of educational fun. It contains more than 6,000 color photographs and illustrations, from the construction of a camera to the eye that analyzes the natural and human fabricated world. It is a book you can open at random and learn something fascinating about our world. RH