Monsters of Mars by Edmond Hamilton(A Complete Novelette)

    ASTOUNDING STORIES 20¢ On Sale the First Thursday of Each Month W. M. CLAYTON, Publisher               HARRY BATES, Editor               DR. DOUGLAS M. DOLD, Consulting Editor   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. 1                      CONTENTS                       April, 1931   COVER DESIGN H. W. WESSO     Painted in Water-Colors from a Scene in "Monsters of Mars."       MONSTERS OF MARS EDMOND HAMILTON   4 Three Martian-Duped Earth-Men Swing Open the Gates of Space That for So Long Had Barred the Greedy Hordes of the Red Planet. (A Complete Novelette.)       THE EXILE OF TIME RAY CUMMINGS   26 From Somewhere Out of Time Come a Swarm of Robots Who Inflict on New York the Awful Vengeance of the Diabolical Cripple Tugh. (Beginning a Four-Part Novel.)       HELL'S DIMENSION TOM CURRY   51 Professor Lambert Deliberately Ventures into a Vibrational Dimension to Join His Fiancée in Its Magnetic Torture-Fields.       THE WORLD BEHIND THE MOON PAUL ERNST   64 Two Intrepid Earth-Men Fight It Out with the Horrific Monsters of Zeud's Frightful Jungles.       FOUR MILES WITHIN ANTHONY GILMORE   76 Far Down into the Earth Goes a Gleaming Metal Sphere Whose Passengers Are Deadly Enemies. (A Complete Novelette.)       THE LAKE OF LIGHT JACK WILLIAMSON   100 In the Frozen Wastes at the Bottom of the World Two Explorers Find a Strange Pool of White Fire—and Have a Strange Adventure.       THE GHOST WORLD SEWELL PEASLEE WRIGHT   118 Commander John Hanson Records Another of His Thrilling Interplanetary Adventures with the Special Patrol Service.       THE READERS' CORNER ALL OF US   134 A Meeting Place for Readers of Astounding Stories.