The Governess or The Little Female Academy (1749‪)‬

According to Wikipedia: "Sarah Fielding (8 November 1710 – 9 April 1768) was a British author and sister of the novelist Henry Fielding. She was the author of The Governess, or The Little Female Academy (1749), which was the first novel in English written especially for children (children's literature), and had earlier achieved success with her novel The Adventures of David Simple (1744)."