"Atrabiliarios" is a novel written by the Colombian author Jorge Luis Borges. It explores themes of identity, memory, and the nature of reality through a series of interconnected stories. The narrative is known for its intricate structure and philosophical depth, inviting readers to ponder the complexities of human experience. The title "Atrabiliarios" refers to individuals who are temperamental or moody, reflecting the emotional struggles of the characters within the book. Borges employs rich imagery and symbolism, making the work a significant contribution to Latin American literature and a notable example of magical realism.