How to Write a Master Work?

i thought it was interesting when y we came out with the master work guide to the murder of roger acroyd, i was talking to sophy, the author. She's like, so on one hand, it's as conventional of a crime stories you're ever going to find,. But then from another perspective, it's completely innovated on the conventions as well. It turns on the global value in a unique way, right? The globa value of a crime story is justice injustice. What she did when she wrote the novel was to put a really nice tweak on what is just, righty? So the ending is a turn on what justice can really be. Is it