Frederick Whittaker's 'Ruby Roland, the Girl Spy; or, Simon Kenton's Protege' is a thriller set in the turbulent times of the American frontier. Written in a gripping and suspenseful style, Whittaker's narrative captures the dangerous escapades of Ruby Roland as she navigates the treacherous world of espionage and intrigue. The book is a prime example of 19th-century adventure literature, filled with plot twists and heart-pounding action scenes that will keep readers on the edge of their seats. Whittaker masterfully weaves historical events and fictional elements to create a compelling story that sheds light on the lesser-known aspects of American history. The character of Ruby Roland is a strong and resourceful female protagonist who defies gender norms and societal expectations, making her a standout figure in the genre.