Group Captain Wilkinson
Group Captain Wilkinson appears in 9 books:- Biggles in France
- Biggles of 266
- Biggles Air Ace
- The Camels are Coming
- Biggles Flies Again
- Biggles Flies North
- Spitfire Parade
- Sergeant Bigglesworth C.I.D.
- Biggles of the Special Air Police