Crossword Genius

Increasingly disconcerted by standards in war novel (in more than one way, some might say) (3,3,4,5)

Ross

I believe the answer is:

put out more flags

But I can't explain it at all!

(Other definitions for put out more flags that I've seen before include "Plant extra irises", "book", "novel result", "Evelyn Waugh novel", "instruction to lazy paver?".)

I've seen this clue in The Guardian.
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