João Calazans Filho is a prominent Brazilian author known for his deep exploration of the cultural and social nuances of Bahia and the broader Brazilian context. With a rich literary career, his works often focus on the complexities of human relationships, the challenges of contemporary life, and the dynamic nature of Brazilian society. His writing is marked by keen observation, a unique narrative voice, and a profound understanding of the human condition.

In his book Humanos, Calazans takes a philosophical approach, delving beyond mere reflection on human behaviors to offer a "X-ray" of humanity. The narrative goes deeper than typical social commentary, exploring the motivations, struggles, and existential dilemmas that shape individuals and society. With an insightful and analytical lens, Calazans invites readers to question their perceptions of themselves and others, offering a layered, thought-provoking examination of what it means to be human in the modern world.