Each title in this series takes readers on a historical journey, examining how people coped in the past and how they developed ingenious ways to make life safer and less unpleasant. Each book features
Soil supplies a surprising variety of materials for making things. If soil didn't exist, life would have developed differently on Earth and humans probably wouldn’t be here. You Wouldn’t Want to Live
Trees are among natures most remarkable achievements, growing from a seed you can hold in your hand into a green giant several stories high. They are rugged survivors. They can live in baking hot dese
