Helicopters
By: Don Berliner.
Series: Superwheels & thrill sports
Publisher: Lerner Publications Co.
Published: 1983
Place of publication: Minneapolis, Minn
Language: eng
Number of pages: 59
Subjects: Helicopters -- Juvenile literature.; Helicopters.
Description: Traces the history of helicopters and discusses the many models and uses of this versatile flying machine which can take off and land vertically, hover in mid-air, and fly backwards and sideways.