The Synthetic Men of Mars
By Edgar Rice Burroughs
- Release Date: 2012-03-15
- Genre: Science Fiction
Description
John Carter desperately needed the aid of Barsoom's greatest scientist. But Ras Thavas was the prisoner of a nightmare army of his own creation -- half-humans who lived only for conquest. And in their hidden laboratory seethed a horror that could engulf all of Mars.
