Gerações do Amanhã
| Format | Paperback |
| Language | Portuguese |
| This Edition Published | 1956 |
| Original Title | Beyond This Horizon |
| Original Language | English |
| Author | Robert A. Heinlein |
| Translated by | L. de Almeida Campos |
| Cover Art by | Cândido Costa Pinto |
| Publisher | Livros Do Brasil |
| Publisher Series | Colecção Argonauta |
| Format | Paperback |
| Language | Portuguese |
| Location | Portugal |
| This Edition Published | 1956 |
| Series Number | 30 |
Added by groo-7