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2002. Dr. Alvin Silverstein, Virginia Silverstein and Laura Silverstein Nunn. Microorganisms, better known as germs, are everywhere. Some are harmless and some can make you so sick that you need to see a doctor. This book covers what germs are, how they spread illness, how diseases are treated and how you can protect yourself. 48 pages, soft cover, full color photographs. Ages 8-10.