How it works / Lasers and holograms /
Graham, Ian, 1953-
How it works / Lasers and holograms / Ian Graham ; [illustrators, Aziz Khan, Ron Hayward Associates. - New York : Shooting Star Press, 1996. - 32 p. : col. ill. ; 30 cm. - How it works. .
An introduction to the characteristics and uses of different types of helicopters.
1573355429 9781573355421
Helicopters.
How it works / Lasers and holograms / Ian Graham ; [illustrators, Aziz Khan, Ron Hayward Associates. - New York : Shooting Star Press, 1996. - 32 p. : col. ill. ; 30 cm. - How it works. .
An introduction to the characteristics and uses of different types of helicopters.
1573355429 9781573355421
Helicopters.