Thuvia Maid of Mars
This installment shifts focus from John Carter and Dejah Thoris, protagonists of the first three books in the series, to their son Carthoris, prince of Helium, and to Thuvia, princess of Ptarth, and follows Carthoris' efforts to win the heart of Thuvia, who will have nothing to do with him. When Thuvia is kidnapped Carthoris is presented with an opportunity -- throw in an airship battle, lost cities, savage creatures, and the fabulous phantom bowmen of Lothar, and you have thrills, chills, and high adventure of the best kind.
Approx. 47,415 words.
daughter of Thuvan Dihn, nor have you won such a right."
The man reached suddenly forth and grasped her by the arm.
"You shall be my princess!" he cried. "By the breast of Issus, thou shalt, nor shall any other come between Astok, Prince of Dusar, and his heart's desire. Tell me that there is another, and I shall cut out his foul heart and fling it to the wild calots of the dead sea-bottoms!"
At touch of the man's hand upon her flesh the girl went pallid beneath her coppery skin, for the persons of the royal women of the courts of Mars are held but little less than sacred. The act of Astok, Prince of Dusar, was profanation. There was no terror in the eyes of Thuvia of Ptarth--only horror for the thing the man had done and for its possible consequences.
"Release me." Her voice was level--frigid.
The man muttered incoherently and drew her roughly toward him.
"Release me!" she repeated sharply, "or I call the guard, and the Prince of Dusar knows what that will mean."

