The Strange Case of Dr. Jekyll and Mr. Hyde is a novella by Robert Louis Stevenson that delves into the duality of human nature and the dark side of the human psyche. The story follows Dr. Jekyll, a respected scientist who creates a potion that transforms him into the evil Mr. Hyde. Stevenson's novella is a chilling exploration of the consequences of indulging in one's darkest desires and the struggle between good and evil. The Strange Case of Dr. Jekyll and Mr. Hyde is a classic work of literature that continues to captivate readers with its psychological depth.