I do a lot of my Newbery Book reading on the bus, to and from work. So far, each book I've taken with me has elicited comments from other passengers.
When I was reading From the Mixed-Up Files of Mrs. Basil E. Frankweiler (which my husband just finished in honor of his upcoming road trip to NYC with our older son, who read the book when I did in January), a woman and her upper-elementary daughter both said it was one of their favorite books. They ride in the same time as me each morning on their way to the local Waldorf school. We've also compared notes on knitting projects.
Another rider told me how thrilled she was to go to the Met after reading the book and see the bed.
With Holes a university student from China (another person with whom I've talked knitting) gave it rave reviews in broken English. Likewise a high school skate-punk student said, "That's totally the best book" (or something like that).
I end up having conversations with people I never otherwise would just by sharing that common bond of great youth literature.