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 one of mankind's deadliest plagues, The Black Death. Readers will learn all about the Black Death, from the causes to the desperate cures to the end. ABDO & Daughters is an imprint of ABDO Publishing Company.