"Before Night Falls" is an autobiographical work that chronicles the life of a young Cuban man growing up during the political turmoil of the Cuban Revolution. The protagonist, a rebellious writer and poet, grapples with his sexual identity in a society that is deeply homophobic. Despite facing persecution, imprisonment, and exile, he remains defiant and committed to his art and personal freedom. His story provides a candid and deeply personal perspective on the harsh realities of life under Fidel Castro's regime.

This book critically examines the foundations of knowledge, blending philosophy with practical reasoning to navigate the concepts of common sense and scientific skepticism. It challenges readers to question how we distinguish between what is considered 'common sense' and what is scientifically proven, delving into the philosophical underpinnings of skepticism itself. Through a rigorous analysis, the text explores the limits and strengths of human understanding, encouraging a thoughtful reconsideration of how we accept or reject information in the realms of science and everyday life. It serves as both an introduction to philosophical skepticism and a deep dive into the epistemological questions that underlie our quest for knowledge.

This book presents a thought-provoking exploration of the potential future of human evolution, focusing on the implications of advanced biotechnologies and artificial intelligence. The author argues that these technologies might lead to the emergence of posthuman beings—entities vastly more intelligent and possibly immortal compared to current humans. The narrative delves into the ethical, philosophical, and societal impacts of such a transformation, questioning whether this evolution would signify the end of humanity as we know it or the beginning of a new, unimaginable phase of existence. Through a careful examination of the potential benefits and risks, the book challenges readers to consider the value of human qualities and the essence of what it means to be human in a rapidly changing world.

The book is a memoir of a young boy's life in Havana, Cuba, during the 1950s, just before and during the Cuban Revolution. It vividly depicts the boy's privileged, idyllic childhood filled with joy and adventure, which is abruptly disrupted by the political upheaval that leads to his exile to the United States. The narrative is a poignant exploration of loss, identity, displacement, and the enduring emotional impact of childhood experiences.