Would also work for Genre: Suspense, Terrifying Women, Murder Most Foul, Amateur Sleuth, and Romantic Suspense.
It's fun reading these old thrillers that are so slow, with hardly any murder, no kids or really old people, and servents neither seen nor heard. They're charmingly predictable. And although this was published in 68 and makes much of the brash young mods, they feel So Old Fashioned. There are phones, but only to ring up the doctor or the police to haul away the perpetrator. There are cars for running up to Town, and low speed pursuit, and explosive crashes. What I love most is that everyone stops at regular intervals to sit down and eat a hot meal. I suppose this is what people are talking about when they reminisce about a slower time.
I did have one great disappointment though: a device was quite deliberately introduced in the first act, but played no subsequent part in the plot. It wasn't even a red herring: it was just never mentioned again.
The only disturbing part of the story isn't meant to be:
My apologies for my failed spoiler tag.