From today's Publishersweekly.com:
January E-book Sales Soar, Top Hardcover, Mass Market Paperback
The surge of e-book buying expected to take place in January following a round of holiday e-reader gift-giving did in fact materialize. According to preliminary estimates from the Association of American Publishers, e-book sales from 16 reporting companies jumped 115.8%, to $69.9 million in January. No other trade segment posted a sales increase in the month. Sales of mass market paperbacks were terrible in January, down 30.9% from the nine reporting companies, falling to $39.0 million, $30 million below the sales of e-books. E-book sales also topped $49.1 million in adult hardcover sales reported by 17 publishers; hardcover sales fell 11.3% in January. Trade paperback sales fell 19.7% in the month but remained above e-book revenue at $83.6 million from 19 houses.
Downloadable audio sales increased 8.8% in January, to $6.5 million at 14 publishers, while physical audiobook sales dropped 6.7% to $7.3 million from 20 publishers. Religion was the only print segment to post an increase in January with sales up 6.8%.