His publisher announced that unsold print copies of the book would be recalled and sales of e-books would be suspended.

Much of the increase can be accounted for by sales of audio books, juvenile titles and nonpaper e-books, sold online.

Publishers reported a surge in sales of e-books on Christmas Day as people bought books for their new gadgets.

The universe of e-book publishers and vendors is rapidly emerging, and until the industry is settled sales of e-books will not be weighted.

Earlier this year Bloomsbury revealed that sales of e-books had soared and were changing the face of the publishing industry.

Despite the mounting sales of e-books and e-readers, Oxfam bookshops seem set to dominate the 2012 book market.

Amazon, given its sales of both print and e-books, has joined a group that opposes the deal, but that hasn't stopped it from filing an objection to it individually.