Quando Os Marcianos Vieram
| Translated by | Eurico da Fonseca |
| Cover Art by | Lima de Freitas |
| Publisher | Livros Do Brasil |
| Publisher Series | Colecção Argonauta |
| Format | Paperback |
| Language | Portuguese |
| Location | Portugal |
| This Edition Published | 1971 |
| Series Number | 172 |
Added by groo-7 · Last edited by Supernaut1970