Used book – Secret d'État, Volume 1: The Queen's Bedchamber, Juliette Benzoni

One evening in June 1626, ten-year-old François de Vendôme discovers Sylvie de Valaines, an adorable four-year-old girl. She has miraculously escaped Richelieu's henchmen who murdered her entire family... Raised by the Vendômes, Sylvie, at fifteen, becomes a maid of honor to the queen, who constantly plots against Louis XIII and Richelieu, and finds herself involved in very dangerous adventures...