For a moment I thought you were going to say "The First and Last Men" - but then I realized I'd mis-remembered the title: https://en.wikipedia.org/wiki/Last_an

For a moment I thought you were going to say "The First and Last Men" - but then I realized I'd mis-remembered the title: https://en.wikipedia.org/wiki/Last_and_First_Men https://en.wikipedia.org/wiki/Last_and_First_Men This is an excellent sci-fi exploration of possible future, especially given the year in which it was written. I've not re-read it since I've only finished it a few months ago, but it was an excellent read.