Being sick is horrible. But it used to be worse. Inside this book, you'll see evidence of the plagues of the past--rotting skin, dissolving lungs, and sinister swelling all over the body. Diseases like the Black Death wiped out whole towns and villages. Tuberculosis consumed young people like a bloodsucking vampire. And Smallpox left its victims scarred for life--if they survived. At the time, no one knew where these killer diseases came from or how...