Note: According to Wikipedia, Rydberg rewrote the novel throughout his life.

Synopsis: A "romantic story out of the Middle Ages, permeated with a poetic nature-mysticism, about the tragic love between a knight and a gypsy girl." (Cited from Wikipedia.com, which in turn cited from: Kunitz, Stanley J.; Colby, Vineta, eds. (1967). "Rydberg, (Abraham) Viktor". European Authors 1000–1900. New York, NY: H. W. Wilson Co.)