| Original Language | English |
| First published | 1963-03 |
| Notes | Published in the magazine Argosy (UK), March 1963. |
Editions 1
Add Edition| Title | Publisher | Format | Language | Location | Dates | Impression | |
|---|---|---|---|---|---|---|---|
 | Galaktika 95 | Móra Ferenc Ifjúsági Könyvkiadó | Magazine | Hungarian | Budapest | 1988-08 |
Added by foxmulder