"Sserpo! The Creature Who Crushed the Earth!"
Reprinted from Amazing Adventures #6.
A turn-of-the-century scientist hurls a failed growth serum into the sea in frustration. The vial finds its way to the deep over the decades, and is consumed by a deep sea creature. The creature grow unstoppably until its very movements cause earthquakes and tidal waves. The very orbit of Earth is endangered, until a modern-day scientist (ironically, the great-grandson of the instigator of the event) solves the dilemma by contacting the natives of Jupiter, who remove the monster to their keeping. 13 pages.
"Earth Will Be Lost Tonight!"
Reprinted from Strange Tales (Vol 1) #93.
A talent agent stumbles upon a new singing sensation, who seems to have universal appeal. The agent's wife is suspicious, and has the agent spy on his secretive client. The wife's suspicions are confirmed, when the singer turns out to be an alien scout, whose voice will hypnotize all Earthlings once they hear it. The wife must do some acting to convince the alien to call a halt to the scheme. 6 pages.