This story is a reprint from Western Aces, August 1937 as written by Bruce Douglas, a pseudonym of Theodore Wayland Douglas. Cliff Howe is an Ace house name used in lieu of Douglas in this instance. Information from Fiction Magazine Database.
Paul Revere Jr. and the rest of the America Awake club complain that their plane spotting role is boring, but little did they know what adventure was to follow when they spot a Nazi plane.