| Original Language | English |
| First published | 1958-09 |
| Notes | First published in the magazine Argosy (UK) in September 1958. |
Editions 1
Add Edition| Title | Publisher | Format | Language | Location | Dates | Impression | |
|---|---|---|---|---|---|---|---|
 | Galaktika 94 | Móra Ferenc Ifjúsági Könyvkiadó | Magazine | Hungarian | Budapest, Hungary | 1988-07 |
Added by auboisdormant