Chapter I: Front Matter

ASTOUNDING

STORIES

20¢

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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.

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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 Three Courageous 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
Cripple Tugh'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 Enemy Lines, 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.

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Dark Moon

A COMPLETE NOVELETTE

_By Charles W. Diffin_