"The Curious Case of Dr. Jekyll" is a classic work by Robert Lewis Stevenson. The book tells the story of a scientist, Dr. Henry Jekyll, who experiments with his nature and creates a formula that transforms him into an evil and sinister monster known as Mr. Hyde. In this tense thriller about good and evil, the author explores the inner conflict of man with his dark side, as well as questions of morality and inner struggle. Readers obey the tension and mystery of the work, thinking about the nature of the human soul and the eternal struggle between the forces of good and evil.