South America

Tetrahedra of Space – Five stories of Martians, Mercutians, Atlantis, and a survivor of remotely ancient times.

Devil Drums – Three stories about how the jungles of the world are ever unaffected by human greed and lust for power.

Through the Andes – Three men and their two retainers go on an archeolgical expedition into the Andes. There they find a lost civilization.

Murder Madness! Seven Secret Service men had completely disappeared. Another had been found a screaming, homicidal maniac, whose fingers writhed like snakes. So Bell, of the secret “Trade,” plunges into South America after The Master—the mighty, unknown octopus of power whose diabolical poison threatens a continent!

Sunfire – Five explorers travel by canoe to the headwaters of the Rio Silencioso, to a hidden lake with an ancient pyramid. There they are seduced and trapped, and are fated to become human sacrifices to an ancient god.

The Treasure of Atlantis – A dying man, a hunter of rare orchids, returns from an expedition to Brazil and tells Stanley Morse of visions of a lost city deep in the jungles near the headwaters of the Amazon. Could it be the fabled city of Atlantis?