The novel tells the story of a young woman named Marjorie May who becomes a "day girl" in a large city. As a day girl, she experiences various humorous and challenging situations, as well as the quirks and foibles of her employers and their families. The story offers a lighthearted and satirical look at domestic service and the interactions between different social classes.Lucille Van Slyke's novel falls into the genre of humorous fiction and social commentary that was popular during the early 20th century. It often addressed issues related to class, gender, and society in an entertaining and relatable way.While "Little Miss By-The-Day" may not be as widely read today as some other classic novels, it provides historical insights into the social dynamics and humor of its time. The book's witty and humorous approach to depicting the everyday life of domestic workers and their employers offers a unique perspective on early 20th-century society.