A Tumultuous Year in Books

This has been a tumultuous year for the book business, a time of profound change in the way books are distributed and read. It is no exaggeration to say that the widespread acceptance of digital devices and a simultaneous contraction of shelf-space in stores qualify as a historic shift. The demise of Borders, the country's second-largest book chain as recently as a year ago, was largely offset by the sale of millions of e-readers and electronic books on a vast scale…