Cover of the pulp magazine <i>Amazing Stories</i> (March 1931, vol. 5, no. 12) featuring "The Valley of the Titans" by Eshbach, "On Board the Martian Liner" by Miles J. Breuer and "The Thing That Walked in the Rain" by Otis Adelbert Kline.
Published by Radio-Science Publications.
Scanned cover of pulp magazine.