Viruses (a True Book: Invisible Nature)

Have you ever had the flu? If so, you have experienced what viruses can be! Viruses are germs that invade our bodies and make us sick. They are so tiny that 500 million of the smallest viruses could fit on the head of a pin. Viruses are not alive--they can only reproduce inside a living cell--and they infect all life forms on Earth, including plants. Learn fascinating facts like these--and many more--in the pages of Viruses.

ABOUT THIS SERIES:

Nature includes everything around us that wasn't created by humans--animals, plants, towering mushrooms, and more. There's also an essential part of nature that is invisible to the naked eye--an enormous number of microscopic creatures that play crucial roles in sustaining life on Earth and impact our daily lives in many ways. These include bacteria, viruses, parasites, and fungi. With engaging, easy-to-understand text and striking photography and diagrams, the books in the Invisible Nature series put these organisms "under the microscope" and take readers on a journey of discovery to understand the roles they play in our everyday lives.