I didn’t even know there was a film version! I read the book as a teenager; seems I have to go rage watch the adaptation now.

The reason you give for not rereading is the one I give FOR rereading: you’re not going to experience the same emotions (or thoughts). You find new things when you revisit something, and books can hit differently in a different phase of life. Also, do you only listen to music once? For me, going back to a book I enjoy is like listening to a favourite album, I get enjoyment from the familiarity.

If you mean Shepherd’s Crown, o highly recommend you read it. Unlike the two or three books that preceded it, it still sounds like Pratchett and, in my opinion, was his way of saying goodbye.