The novel likely tells a story set in St. Louis, Missouri, possibly during the 19th century. The title, "The Rose of Old St. Louis," suggests a romantic tale centered around a female protagonist who may symbolize the beauty and resilience of the city itself.The narrative may explore themes of love, sacrifice, and the passage of time against the backdrop of historical events or social changes in St. Louis. It might feature characters from different walks of life, each with their own hopes, dreams, and struggles.Mary Dillon's writing style is likely characterized by its descriptive prose, attention to historical detail, and exploration of human emotions and relationships. Her novel may offer readers a glimpse into the cultural and social fabric of St. Louis during a particular era.While "The Rose of Old St. Louis" may not be as widely read today as some other novels, it remains a part of American literature, reflecting the richness of St. Louis's history and the enduring appeal of stories set in the heartland of the United States.