| GMD | Text |
| Classification | 629.3 H324 |
| Publisher | Will & Hepworth, New York, c1970 |
| Subject | Ground-effect machines -- Juvenile literature. |
| Series | A Ladybird book. Seies 654, 7How it works. |
| Description | 176 p. illus., port. 22 cm. |
| ISBN | 9780721402314 |
| Additional ISBN | 0721402313 / 0200716255 |