I'm able to read most of those on my tablet via Libby/Overdrive, but my library's digital collection seems to be better than most. I've tried to setup my parent

I'm able to read most of those on my tablet via Libby/Overdrive, but my library's digital collection seems to be better than most. I've tried to setup my parents in another state with the same service using their local library cards, and the selection is pretty slim by comparison.