Answer
No, Horace Walpole dabbled in various literary genres, including children's stories. His most notable contribution to children's literature is "Hieroglyphic Tales," published in 1785, which showcased his imaginative and playful style. While primarily recognized for his contributions to Gothic fiction through works like "The Castle of Otranto," Walpole's versatility extended to captivating young readers with his enchanting children's stories.