Oceans Lakes and Rivers

Almost every stretch of open water on Earth is home to some kind of life. About 97 percent of Earth's water is salt water. Learn more in Oceans, Lakes, and Rivers, a Focus on Water Science book. In this series readers are introduced to the science behind Earth's water. A combination of vibrant photography and interesting text encourage readers to learn more about water science. Each Focus on Water Science title features easy-to-read text, stunning visuals, and a challenging educational activity. Focus on Water Science is a series of AV² media enhanced books. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slide shows, activities, hands-on experiments, and much more.