Futuro do Mundo
| Book | Pebble in the Sky |
| Format | Paperback |
| Language | Portuguese |
| This Edition Published | 1956 |
| Original Title | Pebble in the Sky |
| Original Language | English |
| Author | Isaac Asimov |
| Translated by | A. Maldonado Rodrigues |
| Cover Art by | Cândido Costa Pinto |
| Publisher | Livros Do Brasil |
| Publisher Series | Colecção Argonauta |
| Series | Galactic Empire |
| Format | Paperback |
| Language | Portuguese |
| Location | Portugal |
| This Edition Published | 1956 |
| Series Number | 28 |