| Original Language | Spanish |
| First published | 1964 |
| Notes | First published in the "Cuentos de ciencia ficción" anthology in 1964. |
Editions 1
Add Edition| Title | Publisher | Format | Language | Location | Dates | Impression | |
|---|---|---|---|---|---|---|---|
 | Cuentos de Ciencia-Ficción | Cuadernos Erre | Soft cover | Spanish | La Habana, Cuba | 1964 |
Added by vyaczs