| GMD | Text |
| Classification | 808.83 C55 |
| Publisher | Oxford, England, Heinemann, c1988 |
| Subject | Science fiction.English language -- Study and teaching -- Foreign speakers. |
| Series | Heinemann guided readers. |
| Description | viii, 55 p. : ill. ; 18 cm. |
| ISBN | 9780435271121 |
| Additional ISBN | 0435271121 |