While the list took into account book sales, magazine sales, and newspaper sales in both print and digital formats, it only looked at cities with a population of 500,000 or more. (goodereader.com)
In the latter case, sales of science fiction in electronic formats already exceed sales in print. (publishingperspectives.com)
It is offered for sale in print format as a convenience.Get a head start evaluating Windows 8.1 - with early technical insights from award - winning journalist and Windows expert Ed Bott. (dailyfreebooks.com)