The Warlords Of Mars by Edgar Rice Burroughs
left: Dejah Thoris, Princess of Mars, a six-limbed Thark, one
of the Green Martians, me and John Carter of Mars, a Confederate
War veteran who was mining for gold in Arizona and found himself
transported a million years ago to "Barsoom" as the
Martians called their planet.
Carter of Mars looks like he's thinking "Who the ---are