The Clayton Standard on a Magazine Guarantees

That the stories therein are clean, interesting, vivid, by leading writers of the day and purchased under conditions approved by the Authors' League of America;

That such magazines are manufactured in Union shops by American workmen;

That each newsdealer and agent is insured a fair profit;

That an intelligent censorship guards their advertising pages.

The other Clayton magazines are:

ACE-HIGH MAGAZINE, RANCH ROMANCES, COWBOY STORIES, CLUES, FIVE-NOVELS MONTHLY, ALL STAR DETECTIVE STORIES, RANGELAND LOVE STORY MAGAZINE, WESTERN ADVENTURES, and WESTERN LOVE STORIES.

More than Two Million Copies Required to Supply the Monthly Demand for Clayton Magazines.


VOL. VI, No. 2 CONTENTS May, 1931


[COVER DESIGN]H. W. WESSO
Painted in Water-Colors from a Scene in "Dark Moon."
[DARK MOON]CHARLES W. DIFFIN [148]
Mysterious, Dark, Out of the Unknown Deep Comes a New Satellite to Lure ThreeCourageous Earthlings on to Strange Adventure. (A Complete Novelette.)
[WHEN CAVERNS YAWNED]CAPTAIN S. P. MEEK [198]
Only Dr. Bird's Super-Scientific Sleuthing Stands in the Way of Ivan Sarnoff's Latest Attempt at Wholesale Destruction.
[THE EXILE OF TIME]RAY CUMMINGS [216]
Young Lovers of Three Eras Are Swept down the Torrent of the Sinister CrippleTugh's Frightful Vengeance. (Part Two of a Four-Part Novel.)
[WHEN THE MOON TURNED GREEN]HAL K. WELLS [241]
Outside His Laboratory Bruce Dixon Finds a World of Living Dead Men—and Above,in the Sky, Shines a Weird Green Moon.
[THE DEATH-CLOUD]NAT SCHACHNER AND ARTHUR L. ZAGAT [256]
The Epic Exploit of One Who Worked in the Dark and Alone, Behind the EnemyLines, in the Great Last War.
[THE READERS' CORNER]ALL OF US [276]
A Meeting Place for Readers of Astounding Stories.

Single Copies, 20 Cents (In Canada, 25 Cents) Yearly Subscription, $2.00

Issued monthly by Readers' Guild, Inc., 80 Lafayette Street, New York, N. Y. W. M. Clayton, President; Francis P. Pace, Secretary. Entered as second-class matter December 7, 1929, at the Post Office at New York, N. Y., under Act of March 3, 1879. Title registered as a Trade Mark in the U. S. Patent Office. Member Newsstand Group. For advertising rates address The Newsstand Group, Inc., 80 Lafayette St., New York or The Wrigley Bldg., Chicago.


Behind them a red ship was falling—falling free!

Dark Moon