"The Underdogs" is a novel set during the Mexican Revolution, depicting the conflict from the perspective of the peasants who fought in it. The story follows the journey of a poor, illiterate Indian named Demetrio Macias, who becomes a reluctant leader in the rebellion against the federal government. The narrative explores the brutality and chaos of war, the corruption of power, and the often futile nature of rebellion, painting a grim picture of the human cost of revolution.

"The Tree of Knowledge" is a philosophical novel that delves into the life of Andrés Hurtado, a young man who struggles with the meaning of life and the search for truth in a society filled with hypocrisy and superficiality. As he pursues a career in medicine, Hurtado becomes increasingly disillusioned with the human condition and the limitations of scientific understanding. His journey is one of intellectual and emotional turmoil, as he grapples with existential questions and the complexities of love, family, and societal expectations. The narrative is a reflection on the challenges of reconciling the pursuit of knowledge with the quest for personal happiness and moral integrity.