Sách nói: Chessmen of Mars (version 3)

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! (Summary by Mark Nelson)