“You could see signs where they’d tampered with things and removed VIN numbers and replaced other ones and things.”

Have to ask if the version you watched is the extended (or proper) ending? There’s the US version which cuts off the true ending which is shown in the UK (at least) version. The truer ending makes it even more disturbing.

The only horror that has really had an effect on me is The Descent. I think it’s the claustrophobic nature of being underground and then hunted by those things. I can’t think of any other horror that has sent a shiver literally all the way down my spine before.

Just done a reread of these and would gladly reread again.

The Hitchhikers Guide to the Galaxy (all 5 books in the series)

They are short enough that you could easily read all of them in a couple months at a steady pace.