Sanctuary amid the stacks

In the long term, does it really matter if books are a thing of the past? So long as the book-length texts that used to appear within printed covers are still available in some form, so long as we can still summon the attention to follow many-chambered sentences and access the privacy and reflectiveness of a Thoreau, the intricate feelings and psychological acuity of a Proust, it hardly matters what kind of medium is bringing us our words.