Dive into the underwater world of coral reefs in this National Geographic Kids Level 2 Reader, perfect for kids who are practicing reading independently.Coral reefs are beautiful ecosystems that are essential to our oceans. Many sea animals live there, and they provide many benefits to humans, too. Learn how these underwater cities are formed, the many sea creatures that live there, and what scientists are doing to keep them alive. With bright photos and fun yet informative text, kids will enjoy exploring life under the sea.NGK Level 2 Readers are perfect for kids reading independently or with only occasional adult help. They feature longer sentences and more complex vocabulary.Looking for more Level 2 Readers for your child? There's a whole world of animals to explore! Check out:- Sea Turtles (National Geographic Kids Readers, Level 2)- Sharks (National Geographic Kids Readers, Level 2)- Dolphins (National Geographic Kids Readers, Level 2)