O Mundo em Perigo
| Format | Paperback |
| Language | Portuguese |
| This Edition Published | 1955 |
| Original Title | World at Bay |
| Original Language | English |
| Author | Edwin Charles Tubb |
| 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 | 1955 |
| Series Number | 15 |
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