O Socialismo Difícil
| Publisher | Zahar |
| Translated by | Maria Helena Kühner |
| Copyright Holder (Original Edition) | Éditions du Seuil |
| Cover/Jacket Design by | Érico |
| Printed by | Cia. Gráfica Lux |
| Format | Soft cover |
| Language | Portuguese |
| Location | Rio de Janeiro, Brazil |
| Copyright | 1967 |
| This Edition Published | 1968 |
| Pages / Font | 248 pages |
Added by Xavier.Rafael