SEE! The first contact between Earth and Mars!
Surging with the Fury and Romance of the Argentine Pampas !
And they called her The Perichole!
Murder below the Equator...and Hopalong races to action in the heart of the wild Pampas country!
THE TERRIFIC DRAMA OF LOVE AND CHACO WAR IN THE CLOUDS! (original poster - all caps)
AIR-ACTION OVER A GREEN HELL! (original print ad - all caps)