Do you reread books or are you done with them once you’ve read them?
I like to reread books sometimes! Rereading is especially good if I’ve just finished something heavy or intense; I can follow that up with something that I’ve enjoyed before so it doesn’t take too much effort and I can have a bit of a break. I also don’t have the greatest retention for what I read, so even if I’ve read something before there’s no way I’ll remember everything. And there are certain books that are comforting and cozy and those are great to reread when I want that kind of mood.
Back before the Internet was really a thing I would sometimes reread some of the few favorite books that I owned. Like a lot of other posters, LotR was a staple though I did find myself skipping through the parts where things got slow. Jurassic Park and the Lost World were another set that I enjoyed every time through.
When I was much younger, I read all of the star wars books that I could get my hands on. A few years after I had stopped reading them, I randomly got bored and decided to check what new stuff had come out. I picked one out and got about 3/4 through before realizing that it was not a new book and that I had read it before. So much for retention!