Series information from publisher's website.

"My name's Ernest Cunningham. I used to be a fan of reading Golden Age murder mysteries, until I found myself with a haphazard career getting stuck in the middle of real-life ones. I'd hoped, this Christmas, that any self-respecting murderer would kick their feet up and take it easy over the holidays. I was wrong. So here I am, backstage at the show of world-famous magician Rylan Blaze, whose benefactor has just been murdered. My suspects are all professional tricksters: masters of the art of misdirection. ... My clues are even more abstract: A suspect covered in blood, without a memory of how it got there. A murder committed without setting foot inside the room where it happens. And an advent calendar. Because, you know, it's Christmas"--