The Day of the Triffids - John Wyndham

When a day that you happen to know is Wednesday starts off by sounding like Sunday, there is something seriously wrong somewhere.

 

Starting with that amazing opening, and following with great description of eery feelings

 

A nasty, empty feeling began to crawl up inside me. It was the same sensation I used to have sometimes as a child when I got to fancying that horrors were lurking in the shadowy corners of the bedroom; when I daren’t put a foot out for fear that something should reach from under the bed and grab my ankle; daren’t even reach for the switch lest the movement should cause something to leap at me. I had to fight down the feeling, just as I had had to when I was a kid in the dark. And it was no easier. It’s surprising how much you don’t grow out of when it comes to the test.

 

And observations foreshadowing socially induced survival failures

 

Each one of us so steadily did his little part in the right place that it was easy to mistake habit and custom for the natural law—and all the more disturbing, therefore, when the routine was in any way upset.
When almost half a lifetime has been spent in one conception of order, reorientation is no five-minute business. Looking back at the shape of things then, the amount we did not know and did not care to know about our daily lives is not only astonishing but somehow a bit shocking.

 

I'm a few pages in and I'm so sold on this.

 

Edit: and right after, the doc asking about the window... I did not expect that