The product is a French-language book titled "C'est Mozart Qu'On Assassine" by the author Gilbert Cesbron. This novel likely follows the story of Mozart and the intriguing mystery of his assassination. The French language adds a unique cultural touch to the narrative, making it a fascinating read for those interested in music, history, and suspense. With the intriguing title and the renowned author, this book is sure to captivate readers with its intriguing plot and storytelling.