Is There a Theme That Unites Us Books?

I think he was overwhelmingly preoccupied. And it was also something very much shown in his own life and his own personality. He was almost not two people to glib, but he was this very jolly, funny, practical man who went round, you kno, fixing things, though perhaps not very well. But am we won't quarrel with the success of lord o the i mean, is there a distinct theme that unites us books? I now think the big theme is the division of everything into to the worlds which have no bridge. There's a novel by him called free fall, which puts that overtly - then there's the world where mystical things can at least be imagined