Gingerale The TV show is based on the book. I'll see if I can stream it anywhere when I've finished reading it. It is a big chunky book so will probably take me a while.
A few white Brits actively hold on to the belief that Britain was a nation of just white people until the Windrush generation immigrated here in the 1960s. Everyone that lives here has blood from other countries, regardless of skin colour, at some point in their family history. I read a book recently called the The Emperor's Babe by Bernardine Evaristo. It's a book written in verse about a black woman coming of age in Roman London.
I wonder if it was a real book that you dreamt of?