"The Mistletoe Murder" by P. D. James

This is a collection of four short Christmas mysteries by P. D. James.  I'm afraid I didn't actually love any of them, though I did enjoy three of the four.  Here's a bit of what each is about, and what I thought of them:
"The Mistletoe Murder" -- A crime novelist reminisces about the time she was invited to a traditional English country house Christmas, someone got murdered, and she eventually figured out how and why.  I liked the 1940s setting and atmosphere, but was overall meh about the way t...