This is another really good children's nonfiction book. It's easy to read, easy to understand and very factual at the same time. The disgusting premise of yellow fever and the prominent death that goes along with it will definitely intrigue children.
It's 1793 in Philadelphia and a mysterious killer disease has hit the city killing 100's of people a day. People are scared to go outside, people are terrified to catch the disease, almost everyone has lost someone they loved. Throughout the time period scientists try to figure out what is causing the deadly yellow fever in hopes to stop it from killing more.
Again, a very readable nonfiction story that children will find easy enough to read. It's easy to see why this has won several awards.