Biggles and the Mad Hatter
Written by
W. E. Johns
Copyright 1934
4th of 12 stories in . It was first published as Biggles and the Mad Hatter in The Modern Boy #338, July 28, 1934.
"Clarence Forbes joins 266 squadron and he has a talent for mimicking machines. Biggles takes Clarence on a flight over the lines and discovers that Forbes also has other talents."