Warlord of Mars

Warlord of Mars is a science fantasy novel written by Edgar Rice Burroughs, the third of his famous Barsoom series. John Carter discovers that a First Born knows the secret of the Temple of the Sun and he and the Holy Hekkador Matai Shang want to rescue the Holy Thern's daughter, who is imprisoned with Dejah Thoris and another Barsoomian princess, Thuvia of Ptarth.