A fiery red flash bursts through the silence of the night... a dying green man insists he's been held captive on the moon... a small blue capsule conceals an unearthly medallion. Can the invincible Man Of Bronze piece together this weird puzzle in time to save the world from the devilish merchants of international war?

First published in Doc Savage Magazine # 61 March 1938 - written by Lester Dent.