Warlord of Mars

Warlord of Mars is a science fiction novel written
by Edgar Rice Burroughs, the third of his famous Barsoom series.
Burroughs began writing it in June, 1913, going through five working titles;
Yellow Men of Barsoom, The Fighting Prince of Mars, Across
Savage Mars, The Prince of Helium, and The War Lord of Mars.
The finished story was first published in All Story Magazine as a
four-part serial in the issues for December, 1913-March, 1914. It was later
published as a complete novel by A. C. McClurg in September, 1919.

— Excerpted from Wikipedia, the free encyclopedia.