I’ve just read three books in succession

Picked not quite at random, but certainly without deliberate intent to prove this thing.

Book A had a heroine called Lacey.

Book B had a man called Lacey and a heroine caller Lennie and Book C contains a minor villain character also called Lennie

It isn’t always names;  it’s quite often random references to, for example, a straw basket called a skep, which occur in consecutively read books, but I am certain that such a link…

It was the biggest cock you’ve ever seen.

Probably the first, and I think it surprised you, shocked you even: you hadn’t expected the red fleshy bits, certainly I felt you flinch. You buried your head in my thigh – I felt you quivering, and assumed it was fright. …

Triangular window.

Fourth floor of a triangular gable.

On the end of a triangular wedge of a not-very-long block.

At the fork in the road.

From where I am sitting, a white marble Madonna is brightly reflected therein, but from where?

Face hidden in stony cloth folds, she shines white against a summer-blue sky.

Took me a while to see that it wasn’t a virgin but from a roof garden, in which stood a white canvas umbrella.

'The first time you're unfaithful won't be the worst time you're unfaithful.'  Alice had told her that, but it hadn’t been possible to know whether it was meant as good advice or was her way of making sure you didn’t pinch any bloke she had her eyes on. 

As if – Alice always went for the the ones with money, regardless of what they looked like, or whether or not they had anything in the way of brains.  Whereas she’d been seduced by, had got high on words, the things he said…