For how long will providing access to physical books remain a central mission for libraries? Even as reading on screens becomes more and more common, the number of books easily available in electronic form seems likely to increase, and a consensus for allowing some form of free access to “library copies” of digital files seems likely to emerge. True, the legal wrangling over Google Books has shown worrisome signs of stretching out, Bleak House– fashion, toward the next century. But with the digital files of copyrighted books already in existence, and with money to be made from their distribution, it still seems probable that within twenty years or so, it will be possible to download virtually any book ever printed, anywhere, to any device. The chances will be better for readers with access to some sort of subscription service—most often through universities where they study, or have faculty positions. But even for those without this sort of privileged access, some form of free access may very well emerge. And then, what future for libraries?