Dolly Parton was a lot of things: music icon, songwriter, actor, businesswoman, philanthropist and, yes, a print-and-mail superstar too. Until she passed last week, that last one is not what I thought of first when hearing her name. But then again, I didn’t know much at all about the marvel that is her Imagination Library. It’s a book program that since 1995, has put more than 330 million books into the hands of children. That’s a lot of print. What stands out to me though, is that these books mean more…