Ollhoff Jim Books
Books di Ollhoff Jim con argomento Germ Theory Of Disease Juvenile Literature Bacteria Juvenile Literature
What Are Germs?
edizioni Abdo Group collana Abdo Group (Library)
Germs are everywhere--in your mouth, on your clothes, on everything you touch. Some we can't live without; others are microscopic killing machines. This title looks at the fascinating struggle to understand and control the spread of germs. Readers will learn all about the history of germs, the kinds of germs and how...