O Tempo do Impossível
| Book | Ballroom of the Skies |
| Format | Paperback |
| Language | Portuguese |
| This Edition Published | 1978 |
| Original Title | Ballroom of the Skies |
| Original Language | English |
| Author | John D. MacDonald |
| Translated by | Eurico da Fonseca |
| Cover Art by | António Pedro |
| Publisher | Livros Do Brasil |
| Publisher Series | Colecção Argonauta |
| Format | Paperback |
| Language | Portuguese |
| Location | Portugal |
| This Edition Published | 1978 |
| Series Number | 257 |