Title: Tiny invaders!
Description: "Describes microscopic organisms that can cause illness and disease, including bacteria, viruses, protozoa, and fungi"--
Subjects: Bacteria, Juvenile literature, Viruses, Microorganisms, JUVENILE NONFICTION, Science & Nature, Biology, Animals, Insects, Spiders, Viruses, juvenile literature, Microorganisms, juvenile literature, Bacteria, juvenile literature