HarperCollins CEO Paints Positive Picture for Publishing | Variety

Along with expansion into international markets, HarperCollins has been able to cut costs, noting that it has reduced the number of book warehouses from nine to four, Murray said. He said that ebooks commanded 22% of net sales globally through its most recent quarter, compared to 15% a year earlier. Sales of general ebooks books in the U.S. were 35%, compared to 29% a year earlier. He cited international markets like India, with the widespread adoption of smartphones as the platform for ebook reading.