The Deadliest Diseases in History: Biology for Kids Children's Biology Books (Unabridged‪)‬

Did you know that some of the common diseases today were once very deadly, because of the lack of proper knowledge against them? Take a step back in time, and review some of the deadliest diseases in history. How many people died of these diseases? What leaps have scientists taken to protect mankind from viruses and bacteria? Know the answers to these questions and more. Listen to this book today!