Why Did the Dinosaurs Disappear?: The Great Dinosaur Mystery (Discovery Readers)

By Melvin A. Berger and Gilda Berger

Book Overview

Discusses dinosaurs and different theories regarding their extinction, including climate changes, starvation, cosmic rays, and an asteroid collision with the earth. This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0791050742
• ISBN13: 9780791050743
• Release Date: August 1998
• Publisher: Chelsea House Pub
• Length: 48 Pages
• Weight: 0.30 lbs.
• Dimensions: 8.8" x 0.3" x 5.3"
• Age Range: 9 to 12 years
• Grade Range: Grades 4 to 7