Pearlhanger

A mysterious new client leads Lovejoy on an antiques and man hunt all over the country using him as bait for bent cops and villains.

I don't much like working for clients. It means that I have to follow someone else's instructions, and I've never been too good at that. When those instructions came from a spirit guide at a seance, I just had to laugh. Well, you would, wouldn't you?
The rather attractive young woman whose husband the spook had said I should help her to fine took me on a quest that turned into a trail of lucrative antiques deals, spoiled only when the police came plodding in and I found myself up to my neck in forgeries and murders. Situation normal, really.
Then the killer turned his attentions to me, just as the spirit had said he would, and I certainly wasn't laughing an more.