STOLEN BRAINS by CAPTAIN S. P. MEEK
Dr. Bird, Scientific Sleuth Extraordinary, Goes After a Sinister Stealer of Brains.
THE INVISIBLE DEATH by VICTOR ROUSSEAU
With Night-Rays and Darkness-Antidote America Strikes Back, at the Terrific and Destructive Invisible Empire. (A Complete Novelette.)
PRISONERS ON THE ELECTRON by ROBERT H. LEITFRED
Fate Throws Two Young Earthians into Desperate Conflict with the Primeval Monsters of an Electron's Savage Jungles.
JETTA OF THE LOWLANDS by RAY CUMMINGS
Into Remote Lowlands, in an Invisible Flyer, Go Grant and Jetta—Prisoners of a Scientific Depth Bandit. (Part Two of a Three-Part Novel.)
AN EXTRA MAN by JACKSON GEE
Sealed and Vigilantly Guarded Was "Drayle's Invention, 1932"—for It Was a Scientific Achievement Beyond Which Man Dared Not Go.
whistled softly. An answering whistle came from a few yards away and a figure rose in the darkness as they approached.
"Maynard?" called Dr. Bird. "Good enough! I was afraid that you might not have kept your gas mask on."
"My orders were to keep it on, sir," replied the lieutenant in muffled tones through his mask, "but my mechanician did not obey orders. He passed out cold without any warning about fifteen minutes ago."
"Where's your ship?"
"Right over here, sir."
"We'll take off at once. Your craft is equipped with a Bird silencer?"
"Come on, Carnes, we're going to follow that globe. Take the front cockpit alone, Maynard; Carnes and I will get in the rear pit with the spec and guide you. You can take of your gas mask at an elevation of a thousand feet. You have pack 'chutes, haven't you?"
"In the rear pit, Doctor."
"Put one on, Carnes, and climb in. I've got to get this spec set up before he gets too high."
The Douglass equip
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