A Corpse for Christmas by Rena Leith
A Corpse for Christmas is the third in the Cass Peake series, but the first I've read. For me, it took a while to get all the characters straight, and I think if I had read the series in order, that wouldn't have been an issue. I also would have felt like I knew at least Cass and the other recurring characters, including Doris the ghost, better.
Cass takes on the job of doing a new video for a local college and hires some young people to help her out. It's the holidays so the campus is pretty empty, making it easier to film locations, but while working, Cass and her crew stumble onto a murder. Her obligatory cop boyfriend, George, doesn’t like her getting involved, but Cass of course can't let it go, especially when a neighbor asks for her help.
There's a lot going on here. We have the project for the local college; it's Christmas so Cass' brother...