Only Two Young Explorers Stand in the Way of the Mad Bram's Horrible Revenge—the Releasing of His Trillions of Man-sized Beetles upon an Utterly Defenseless World. (Part One of a Two-part Novel.)

[THE CAVE OF HORROR ]CAPTAIN S. P. MEEK 32

Screaming, the Guardsman Was Jerked Through the Air. An Unearthly Screech Rang Through the Cavern. The Unseen Horror of Mammoth Cave Had Struck Again!

[PHANTOMS OF REALITY ]RAY CUMMINGS 46

Red Sensua's Knife Came up Dripping—and the Two Adventurers Knew that Chaos and Bloody Revolution Had Been Unleashed in that Shadowy Kingdom of the Fourth Dimension. (A Complete Novel.)

[THE STOLEN MIND ]M. L. STALEY 75

What Would You Do, If, Like Quest, You Were Tricked, and Your Very Mind and Will Stolen from Your Body?

[COMPENSATION ]C. V. TENCH 92

Professor Wroxton Had Disappeared—But in the Bottom of the Mysterious Crystal Cage Lay the Diamond from His Ring!

[TANKS ]MURRAY LEINSTER 100