Digital book companies jostle for dominance in NY

As American publishers gathered in New York this week to promote the best of what's coming in the year ahead, more and more attention was focused on the growing influence of digital publishing.

Companies at this week's BookExpo America agreed that while the book publishing industry is losing money overall, the increasing sales of e-books and e-readers are offering investors a chance to bet on the winners and losers in the future of publishing where print books may become obsolete.