A jewel-toned parrotfish guides a young snorkeler through the stunning underwater realm of coral reefs. Readers encounter an amazing array of fish, sharks, worms, dolphins, turtles, and other creatures that live in and among the coral--and see how these various animals relate to one another. During this colorful tour, children also discover how reefs are formed and learn how these precious ecosystems protect our world by keeping the oceans healthy. Earle's fact-filled text and Matthews's exuberant illustrations are sure to appeal to curious youngsters!.