Some of his notable works include:
- Ficción y Realidad (1970): This novel is a work of magical realism, combining everyday life in Maracaibo with the fantastical elements of Latin American folklore.
- Las Ventanas de Madera (1980): This novel uses humor and irony to explore themes of love, loss, and identity in the context of a dysfunctional family.
- El Beso de la Mujer Araña (1976): This novel, which was later adapted into a successful film, tells the story of two prisoners who develop an unlikely friendship and learn about each other's lives.
- La Lección del Tiburón (2000): This novel explores the relationship between a man and a wild shark, using it as a metaphor for the human condition.
- Una Ciudad De Muertos (2010): A novel about the life of a small town in the countryside of Venezuela.
Febles' works are known for their rich and complex characters, as well as for their exploration of human nature and the complexities of existence.