H. Beam Piper (1904–1964) was an American science fiction author. He wrote many short stories and several novels. He is best known for his extensive Terro-Human Future History series of stories and a shorter series of "Paratime" alternate history tales. (Summary from Wikipedia)
link to the free audiobook
Police Operation [by H. Beam Piper]
In the fifth book in the Barsoom series, Tara of Helium, daughter of John Carter, becomes lost in an unknown area of Mars when her single-seat flier is caught in a rare Martian hurricane. She is first captured by the bizarre and hideous Kaldanes, then the brutal Manatorians, where she is the prize in a tournament of Martian chess, jetan, that is played by live game pieces, and to the death!
Read by Mark Nelson.
link to the free audiobook
The Chessmen of Mars (version 3)[by Edgar Rice Burroughs]
