His sudden determination faded beneath the glorious light of her wondrous beauty.Book #15 of 20 in the SDE Classics Science Fiction CollectionCarthoris, Prince of Helium and son of John Carter and Dejah Thoris, is madly in love with the beautiful Thuvia, Princess of Ptarth. Alas, Thuvia's hand in marriage is reserved for another and Carthoris is left with no hope. Dejected, Carthoris journeys on a one man quest to find his identity when he spots the Dusar with a captured Thuvia.Book #4 in the Barsoom series, Thuvia, Maid of Mars shifts from John Carter as the main character to his son, Carthoris.