Crossword Genius

Agatha Christie novel? (6,7)

Ross

I believe the answer is:

murder mystery

(Another definition for murder mystery that I've seen is " Whodunnit".)

I've seen this clue in The Guardian.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.