"Cinq Mars" (Ukrainian: "Saint-Mars. Volume 6") is a historical novel written by the outstanding French writer Alfred de Vigny. This sixth volume of the famous cycle tells about the exploits and adventures of the main character, a young nobleman, Ken Marek, who seeks to change the course of history and save his country from the threat of an external enemy. In a humorous and lyrical way, the author reveals the inner world of the heroes, their contradictions, secrets and intrigues. The novel impresses with its amazing art of words and Vigna's ability to perfectly feel the soul of his characters. In "Saint Mars. Volume 6" love and inexorable fate, betrayal and loyalty, tragedy and hope meet. This is an exciting book that attracts with its mystery and unpredictability of events, awakening a sense of curiosity and admiration in readers.