Killer Rocks from Outerspace: Asteroids, Comets, and Meteors

by Steven Koppes

Sixty-five million years ago, the dinosaurs suddenly became extinct.Scientists primarily believe that their disappearance was due to a huge cosmic bomb--a comet or asteroid approximately six miles in... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0822528614
• ISBN13: 9780822528616
• Release Date: January 2004
• Publisher: Carolrhoda Books
• Length: 112 Pages
• Weight: 1.10 lbs.
• Dimensions: 0.5" x 7.4" x 9.2"
• Age Range: 11 to 14 years
• Grade Range: Grades 6 to 9