This Early Bird Earth Science title explains what reefs are and how they form. Reefs discusses coral reefs and fossil reefs, and includes a description of the damage caused to reefs by human activity.
- Be a Word Detective
- Charts/Graphs/Diagrams
- Full-Color Photographs
- Further Reading
- Glossary
- Index
- Note to Adults
- Photo Captions
- Pronunciation Guide
- Table of Contents
- Websites