"How amazing is the home we all share, planet Earth! It's home to millions and billions of animals and plants, but have you ever wondered how everything is connected? In Precious Planet, learn all about our home that was formed almost 4.6 billion years ago-- the earth's crust, the continents we live on, and the oceans in between--and dive into the planet's fascinating geography. One of the most important parts of living in a home that you love is...