Amazing Stories, March 1931

This issue features THE THING THAT WALKED IN THE RAIN by Otis Adelbert Kline, THE VALLEY OF TITANS by L. A. Eshbach, ON THE MARTIAN LINER by Miles J. Breuer, M.D., TELEVISION HILL (Part 2) by George McLociard, THE EARTH'S CANCER by Capt. S. P. Meek, U.S.A., THE EVOLUTION OF AN ACE by Julia Boynton Green, and THE DOCTOR'S EXPERIMENT by Allan Strathglass.