The best gift for a book nerd is, of course, a book. And giving books is easier than ever. Good, old-fashioned paper books are a classic gift and double as decor on a bookshelf when the recipient has finished them. But did you know that you can give specific titles to e-reader owners, too? Yep. Most titles for Kindle and Nook now have a “Give as a Gift” button that allows you to buy that specific book for your recipient. I love this instantaneous and eco-friendly approach to gift-giving. But let’s say you need a little something to go with that beach read or thriller or latest biography. Something appropriate…