"The Mystery of Madame Liu" is an exciting detective story by the famous French writer Pierre Boulange. The main character, Madame Liu, is a mysterious woman who possesses an unparalleled intelligence and understands the hidden mechanisms of human psychology. The events take place in a luxurious mansion on the outskirts of Paris, where a mysterious murder takes place. Madame Liu, quirky and intriguing, sets out to solve this complex criminal puzzle. With her ultimate analysis and unbridled curiosity, she digs deeper into the search, leading to an incredible finale. "The Riddle of Madame Liu" is a book that fascinates with its intricate plot, exquisite style and unexpected solution to the mystery.