The scarlet kimono and the train attendant uniform button were critical pieces of evidence revealed in this section—except that Poirot decided neither one was really a clue.
Ratchett was murdered, but the clues left at the scene may be fake. Poirot thinks it's a bit too convenient that he found both a pipe brush and a woman's handkerchief.
While riding on a luxurious train, Poirot gets caught up in a murder investigation, and instead of spending the journey relaxing, he is forced to interrogate witnesses to try to find a murderer.
What do you imagine Maddy's life will be like after the book's end? Do you think that Maddy and Olly will continue to be together as the book implies at the end?
After Maddy and Olly touched, it seemed inevitable that she wouldn't be content with life inside the house anymore. How surprised were you that she left her house, bought plane tickets, and went to Hawaii with Olly?
Once Olly shows up, things become more complicated for Madeline. Did you guess that they would eventually meet in person once they started messaging each other?