Activity book with full color illustrations. From the foreword: "As a Jurassic Explorer, it is your responsibility to preserve and protect your public lands, care for your natural and cultural resources, and to share what you have learned with others. Protecting our public lands preserves them for the enjoyment of present and future generations. This book contains information and activities about Cleveland-Lloyd Dinosaur Quarry. It is designed to help you discover and investigate the mystery of Cleveland-Lloyd. This site has been known about for over 80 years and we still don't have a good explanation as to what happened here."