Helicopters /
Don Berliner.
- Minneapolis, Minn. : Lerner Publications Co., c1983.
- 59 p. : ill. (some col.) ; 19 x 22 cm.
- Superwheels & thrill sports .
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.