On the way to an archeological dig at an ancient battle site at the "face" of Mars, Dejah Thoris and her party are stranded. They take shelter in a dead, ancient city -- infested with killer white apes. Hungry ones. The most harrowing horror story in the annals of Barsoom!
Ewing and Rocafort's "Ultimates" Stand Guard Against Alien Empires & Cosmic Entities