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

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

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

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

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

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

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.