Swords of Mars
Swords of Mars is a science fantasy novel by American writer Edgar Rice Burroughs , the eighth of his Barsoom series . 
<triplet> Swords of Mars <subj> science fantasy <obj> genre <subj> Edgar Rice Burroughs <obj> author <subj> Barsoom <obj> part of the series <triplet> Edgar Rice Burroughs <subj> Barsoom <obj> notable work <triplet> Barsoom <subj> Edgar Rice Burroughs <obj> author