The Moonstone is considered as the first modern detective novel. The novel revolves around the theft of a valuable diamond, the Moonstone, and the attempts to solve the case. It keeps the reader guessing about the culprit and the fate of the gem. It deverly critiques Victorian social norms and class structures. It explores themes of colonialism, gender roles, and the corrupting influence of wealth. "The Moonstone" remains a timeless classic of detective fiction, beloved for its rich characters, intricate plot, and enduring relevance. The novel provides a fascinating glimpse into the social customs, class distinctions, and technological advancements of the time. "The Moonstone" continues to captivate readers with its gripping plot, memorable characters, and exploration of timeless themes. Its influence on the detective fiction genre and its enduring popularity make it a classic of English literature.