The novel tells the story of Little Jack, an orphaned boy who grows up under the care of a benevolent benefactor. It explores themes of innocence, kindness, and the importance of upbringing in shaping one's character. Day's narrative style often emphasizes moral lessons and virtues, reflecting the educational aims of children's literature during the late 18th century.Thomas Day's works, including "The History of Little Jack," contributed to the development of children's literature as a genre that aimed to entertain while imparting moral values and lessons to young readers. His emphasis on character development and ethical behavior reflects the educational philosophies of his time.