These Old Shades is a sweeping historical romance by Georgette Heyer, set in the glittering world of 18th-century France and England. The novel tells the story of the cold and ruthless Duke of Avon, who, by chance, encounters a young street urchin named Léon. Intrigued by the boy's unusual resemblance to his enemy, the Duke takes Léon under his protection, only to discover that Léon is actually Léonie, a girl with a hidden past and a link to a long-standing feud. As the Duke embarks on a plot of revenge, Léonie's charm and spirited nature gradually melt his icy heart, leading to a tale filled with adventure, romance, and intrigue. The story spans aristocratic salons, dark secrets, and a deepening connection between the cynical Duke and the fiery Léonie. With richly drawn characters, sharp wit, and a blend of drama and romance, These Old Shades is one of Heyer's most beloved works. It showcases her masterful ability to transport readers to the elegance and intrigue of a bygone era, making it a classic for fans of historical romance.