Os Humanóides Atacam
| Translated by | Fernando de Castro Ferro |
| Cover Art by | Cândido Costa Pinto |
| Publisher | Livros Do Brasil |
| Publisher Series | Colecção Argonauta |
| Format | Paperback |
| Language | Portuguese |
| Location | Lisboa |
| This Edition Published | 1954 |
| Series Number | 12 |
Added by groo-7