Vultures of Silence

Published in Flying Aces, May 1938.
"Toward grim Gibraltar, Dick Knight sped his sleek Vought. For Europe’s craftiest spies were hurrying into that caldron of intrigue just beyond “The Rock”—and Washington’s orders had been terse: “Find out why”! But already that sinister sea was red with the blood of rash agents who had ventured too far. And already it was too late for Dick Knight to turn back. For he had defied muted murder—had defied “The Death that had no face”!"