Where do rivers start? This answer and more can be found within the pages of this colorful, engaging introduction to the world's rivers! Readers explore how rivers form and how they affect other geography around them, as well as what parts of a river are called and how humans use and change rivers from their natural state. The main content highlights famous rivers, such as the Ganges, showing them on simple globes to engage readers' in map reading, an essential social studies skill.