Warlord of Mars by Edgar Rice Burroughs

The Warlord of Mars’ is a science fantasy novel by American writer Edgar Rice Burroughs, third in his ‘Barsoom series’. Just like his famous tarzan series, this too got first published in All-Story Magazine. This novel continues where the previous one in the series, ‘The Gods of Mars’ abruptly ended. At the end of the previous book, John Carter’s wife, princess Dejah Thoris, is imprisoned in the Temple of the Sun by the vile pretender goddess Issus. It is said that one has to wait an entire Barsoomian year before the room the prisoner is in revolves back to the entrance.