Dusty Ayres and his Battle Birds #4: The Screaming Eye in Bloomington, MN

One minute those Yank ships were zooming up toward that crimson plane. The next, they were tumbling earthward, shattered wrecks-their pilots dead! What was the strange green ray that had destroyed them? Death stalks America as Dusty Ayres sets out to hunt the most gigantic weapon of doom ever launched against the world!