Did it take me to the final page to figure out the title? Yes, yes it did.
I saw this on a table at waterstones years ago and I'm just now buying it and reading it, and boy why did I wait so long?
This story follows PC Peter Grant when he causally bumps into a ghost who wants to give a witness statement. From there you're thrust into a world of magic and intrigue, accompanied by the wittiest writing I've read since skullduggery pleasant.