1 of 5
For the most part, what is the setting of Murder on the Orient Express?

2 of 5
What prior crime is central to the unraveling of the murder plot of Murder on the Orient Express?

3 of 5
Ratchett, the murder victim in Murder on the Orient Express, is ___.

4 of 5
Poirot solves the mystery of the murder while ___.

5 of 5
How many people does Poirot ultimately identify as the perpetrators of the murder?