Harold MacGrath wrote novels, short stories and screenplays in the early years of the 20th century. Arms and the Woman was his first novel, published in 1890. His novels were about love, adventure, mystery, and spies. The Goose Girl was originally a fairy tale by the Brothers Grimm. The fairy tale is a classic bride switch. A maid forces the princess to change places with her. The maid becomes the princess and the princess becomes a goose girl. Of course all is made right in the end. MacGrath has taken this tale and adapted it into a novel. The Grand Duke of Ehrenstein's daughter has been missing for years. Gretchen, is the beautiful goose girl, who can read, write, do sums, and loves music. Who or what is this mysterious girl?