Biggles In The Baltic

Written by W. E. Johns

Copyright 1940

A single adventure serialized as Storm Troop of the Baltic Sky over 11 issues of The War Thriller, #579 - #589, March 9, 1940 to May 18, 1940.
World War II had just started. Biggles is given command of a secret squadron working out of a large cave overlooking the Baltic Sea. His direction is to cause as much trouble as he can to the Germans.