Affaire De Coeur
Written by
W. E. Johns
Copyright 1932
16th of 17 stories in . It was republished as Biggles Falls In Love in The Modern Boy #297, Oct. 14, 1933.
Biggles meets the beautiful Marie Janis (who will become the love of his life) and she entices him fly a secret message to her father operating behind German lines. He does so, not know she is really a German spy and is using him as a dupe.