Helicopter Man

by Edwin Brit Wyckoff

Book Overview

Leonard da Vinci drew pictures of helicopters; Wilbur Wright said they would never work, but Igor Sikorsky proved him wrong, inventing the first working helicopter and building the company that still... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 1978526938
• ISBN13: 9781978526938
• Release Date: January 2010
• Publisher: Enslow Publishing
• Length: 32 Pages
• Weight: 0.26 lbs.
• Age Range: 8 to 10 years
• Grade Range: Grades 3 to 5