Escape from Mad Bill's Island

Major B.S. will just have to find out the hard way about the mysterious thing the British were doing on Mad Bill's Island in World War 2.
Not that he cares. All he wants in this black comedy is to get off the island he was so keen to get to.
This novel wraps up the Funny Capers DownUnder series.
Guess who makes a surprise appearance? They would have known he was still alive if they had licked him!