Explains how bacteria and viruses affect the human body and how the body fights them.

Learn about germs and bacteria in this early reader.

Looks at how germs can spread such diseases as the common cold by following the journey of the germs that fly out of a boy's mouth when he sneezes in class without using a tissue, showing how colds spread or not depending on hygiene practices.

In rhyming verse, bacteria describe how they live in the mouth and cause plaque, cavities, and other problems.

Bacteria are microscopic organisms with a cell structure that is very different from that of the other kingdoms. Traditionally classified according to their shape, scientists now use DNA studies to refine the groupings of bacteria. This book examines bacteria that are found in virtually every environment--including those that are characterized by extreme heat, cold, and depth--and, of course, bacteria that are found inside our bodies. Intriguing information...

Entertaining, eye-opening and educational, this deep dive into the microscopic world of germs discusses the microbes in and on our bodies that help us survive, the ones that don't and everything in between.

Uses humor in both text and illustrations to describe how antibiotics were developed and what methods were used to fight infections and disease before antibiotics were available.