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Synthetic Men of Mars
(1938)(The ninth book in the John Carter of Mars series)
A novel by Edgar Rice Burroughs
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.
Genre: Science Fiction
Genre: Science Fiction
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