The earliest civilizations grew up around rivers. Rivers were used to water crops, for transportation, and for bathing and drinking. These essential bodies of water are fascinating to learn more about, and this book presents readers with how important they are to people and animals. The main content combines Earth science, environmental science, and social studies in with age-appropriate language and topics including caring for a local river, erosion, and river habits. Each concept is paired with an activity to engage readers even more.