How Do Helicopters Work?Book - 2013
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!
Publisher: Minneapolis : Lerner Publications Co., c2013
Branch Call Number: E 387.7 BOOTHROYD
Characteristics: 32 p. : col. ill. ; 27 cm