There’s a lot of hand-wringing over the so-called “dumbing-down” of America. We don’t read, we can’t write except in and LOLcat-speak, we barely know who’s president. Technology often takes the blame for some of this, with video games and the abbreviated speech of texts and Twitter squarely in the sights of our educators. But e-readers are beginning to create new readers and are getting more people than ever to buy books and read them. We’re buying 57 books a second in the United States, between the paper and electronic varieties. And though sales of print books have been declining (not precipitously,…