“The Squadron in Scarlet” by Donald E. Keyhoe
Here is another high flying adventure of “Cyclone” Bill Garrity and The Devildog Squadron. For months the grim spectre of that German staffel had stalked up and down the Front, dropping its sinister messages of death upon British and French squadrons. And now at last it struck at the flying Marines. For out of the cloud mists over that Devildog drome a white-winged German plane swooped low, and from it came the threat of doom—a black coffin holding the body of a Devildog pilot.
- Download “The Squadron in Scarlet” (November 1931, Sky Birds)