Books you think about years later?

I'm re-reading Kate Forsyth's Rhiannon's Ride trilogy, which was released in the early 2000s. This trilogy was a major favourite in my teenage years. Re-reading it now has shocked me; I can't put it down, this is the most I've enjoyed reading in a long time and I'm no reading slouch! I have been enjoying a wide variety of genres, from low-fantasy, romantasy slop, classic literature to really good sci-fi. Yet, going back to my old favourite has blown everything else out of the water, it's a struggle to put d