Jefferis, David
Helicopters David Jefferis; Illustrated by Rob Jobson, Terry Hadler and Michael Roffe - London Franklin Watts 1988 - 32 p. - Wings The conquest of the air .
Includes index.
Explains the workings of helicopters and discusses helicopters' military, transportation, and rescue uses
Grade level : 3 - 4
0531106365
Helicopters
j629.133 Jef 26
Helicopters David Jefferis; Illustrated by Rob Jobson, Terry Hadler and Michael Roffe - London Franklin Watts 1988 - 32 p. - Wings The conquest of the air .
Includes index.
Explains the workings of helicopters and discusses helicopters' military, transportation, and rescue uses
Grade level : 3 - 4
0531106365
Helicopters
j629.133 Jef 26