Conversation so far:
What did Spike Milligan write during the second world war?
he and fellow musician Harry Edgington would compose surreal stories, filled with puns and skewed logic, as a way of staving off the boredom of life in barracks
How long was Spike Milligan there in the barracks during the second world war?
did Spike Milligan write while there?
While he was with the Central Pool of Artists (a group he described as composed of bomb-happy squaddies) he began to write parodies of their mainstream plays

Question: What was it about?
Self-contained rewrite: What was Spike Milligan's parodies of Central Pool of Artists mainstream plays about?