The Blue Devil
Written by
W. E. Johns
Copyright 1932
5th of 17 stories in . It was first published in Popular Flying Machine, August 1932. It was reprinted in The Modern Boy #261, Feb. 4, 1933.
The title refers to a brand new German Albatross, painted blue and causing loads of trouble for the British until Biggles uses an insane maneuver to surprise his opponent and shoot it down.