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_On Sale the First Thursday of Each Month_
W. M. CLAYTON, Publisher HARRY BATES, Editor DR. DOUGLAS M. DOLD, Consulting Editor
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_That_ an intelligent censorship guards their advertising pages.
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._
_Painted in Oils from a Scene in "The Ape-Men of Xlotli."_
SLAVES OF THE DUST SOPHIE WENZEL ELLIS 295
_Fate's Retribution Was Adequate. There Emerged a Rat with a Man's Head and Face._
_It is War. Interplanetary War. And on Far-Distant Venus Two Fighting Earthlings Stand Up Against a Whole Planet Run Amuck._ (Part Two of a Four-Part Novel.)
_The Trail of Mystery Gold Leads Carnes and Dr. Bird to a Tremendous Monster of the Deep._
_The Blood of the Van Dorn's Ran in Karl's Veins. He Rode the Skies Like an Avenging God._
THE APE-MEN OF XLOTLI DAVID R. SPARKS 370
_A Beautiful Face in the Depths of a Geyser--and Kirby Plunges into a Desperate Mid-Earth Conflict with the Dreadful Feathered Serpent._ (A Complete Novelette.)
_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 St., 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--Men's List. For advertising rates address E. R. Crow & Co., Inc., 25 Vanderbilt Ave., New York; or 225 North Michigan Ave., Chicago.