Mistletoe, Moussaka, and Murder by Tina Kashian
Mistletoe, Moussaka, and Murder is the fifth in the series, but the first I've read. I never felt lost. The author did a good job of introducing the characters and giving me enough background to let me feel like I knew them well. At the same time, I might have cared more about the relationship between Lucy and her boyfriend, Azad, which took up a lot of the book.
The mystery itself was well-done. The victim was not a nice person and there were plenty of suspects in town. Lucy had a reasonable reason to be investigating - one of her friends is the prime suspect. The clues were placed well, along with a few red herrings. The story started off well, but the middle was a bit too slow and plodding. I did have a guess who the killer was, so that might have been a bit too obvious since I'm rarely right.
I think this is the last of...