(DOWNLOAD) "How Do Helicopters Work?" by Jennifer Boothroyd * eBook PDF Kindle ePub Free
eBook details
- Title: How Do Helicopters Work?
- Author : Jennifer Boothroyd
- Release Date : January 01, 2017
- Genre: Transportation,Books,Kids,Computers & Technology,
- Pages : * pages
- Size : 32478 KB
Description
Helicopters can take off from almost anywhere and change directions quickly. They can even hover. But how do they stay in the air? And how do pilots control these special aircraft? Read this book to find out!