"Hallowe'en Party" by Agatha Christie

I have discovered that I like Agatha Christie's books about Hercule Poirot, just not so much her Miss Marple books.  This is a Poirot book, so I gave it a go after seeing it around on Bookstagram early in October.  My library had it, so that was a win!
I enjoyed this book pretty well, though it could have been considerably shorter if we hadn't had to read the same information repeatedly.  Whole conversations and experiences were repeated in full instead of summarized, which I found tedious.  Also...