Water is everywhere, and we rely on it every single day. But do you ever wonder about water? How much water is on our planet? What happens when there is too much water or too little water? Why does it rain? What are lakes, rivers, seas, and oceans? Why are the seas and oceans blue and salty? What lives underwater? What about water in human history—how did people get water in ancient times? How do we get water today? What do humans build to travel on the water, and how have we harnessed waterpower? How do we protect this amazing resource for the future? Gorgeous and informative, invites children to tour through science and history with two characters they may recognize from . Colorful acrylic art and energetic text help readers learn about the natural resource we have depended on since the beginning of life itself.