The book is a chilling tale of psychological horror that delves into the fragile human psyche through the diary entries of a man who becomes increasingly convinced that he is not alone. He senses the presence of an invisible, malevolent entity that he calls "the Horla," which he believes is a superior being that has begun to exert control over his mind and body. As his paranoia and obsession with the Horla grow, so does his descent into madness, leading him to question the nature of reality, free will, and his own sanity. The story masterfully explores themes of existential dread and the fear of the unknown, culminating in a haunting and ambiguous conclusion.

The 5173rd greatest book of all time