Earth is home to trillions of germs. But for most of human history, people didn't know germs existed! Healers of the past had different ideas about illnesses and their cures. They blamed illnesses on other causes and sometimes tried dangerous treatments. The invention of tools such as the microscope changed everything, allowing doctors and scientists to see germs and study their effects. This vivid graphic history profiles the people who helped discover germs. Discover the ongoing breakthroughs in research―and germs' surprising benefits for safety and sustainable energy.
Brandon Terrell is the author of numerous children's books, including picture books, chapter books, and graphic novels. He is also one of the writers for The Choo Choo Bob Show, an educational children's television program about trains. When not hunched over his laptop, Brandon enjoys watching movies and television, reading, baseball, and spending every spare moment with his wife and their two children.