Quinto Planeta
| Book | Fifth Planet |
| Format | Soft cover |
| Language | Spanish |
| This Edition Published | 1966 |
| Original Title | Fifth Planet |
| Original Language | English |
| Author | Fred Hoyle, Geoffrey Hoyle |
| Publisher | Los Libros Del Mirasol |
| Translated by | Marta Acosta Van Praet |
| Cover/Jacket Design by | Gonzalez Rodolfi |
| Printed by | Impresora Belgrano S. A. |
| Format | Soft cover |
| Language | Spanish |
| Location | Buenos Aires, Argentina |
| This Edition Published | 1966 |
| Pages / Font | 195 pages |
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