"Cupid's Understudy" by Edward Salisbury Field is a novel likely written in the early 20th century, characterized by its light-hearted narrative and romantic themes. Set predominantly in southern California, it explores social status, love, and personal identity through the lens of the protagonist, Elizabeth Middleton, and her relationships influenced by her father's rags-to-riches story. The book likely examines the complexities of love and societal expectations against a vibrant Californian backdrop. The story follows Elizabeth Middleton, whose life dramatically changes due to her father's unexpected fortune from a livery-stable that leads to the discovery of a rich gold mine. As Elizabeth navigates her new social status, she encounters Blakely Porter, a civil engineer, on the journey from New York to California. The budding romance between Elizabeth and Blakely is woven with complications from his aristocratic family, particularly his mother, who initially disapproves of their relationship. Amidst social gatherings and the arrival of a grand duke, the narrative culminates in Elizabeth's challenges with societal expectations and family dynamics, as they plan their marriage while circumventing the pressures of Blakely's affluent background. (This is an automatically generated summary.)