Helicopters (Military Experience: In the Air)

By Don Nardo

The concept of the helicopter dates back thousands of years. But actual workable helicopters did not appear until the twentieth century. Military experts immediately recognized their potential for use... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 1599353822
• ISBN13: 9781599353821
• Release Date: January 1800
• Publisher: Morgan Reynolds Publishing
• Length: 64 Pages
• Weight: 0.83 lbs.
• Dimensions: 9.8" x 0.4" x 7.7"
• Age Range: 11 to 14 years
• Grade Range: Grades 6 to 9