What is even more interesting is that the greater proliferation of ebooks has not led to a decline in sales of printed books. (goodereader.com)
She focused on sales of print books, but doesn't know what a book distributor is. (annerallen.com)
Many self - published authors rely on online sales of both print books and ebooks though, so, okay, a badly designed book might not necessarily put off all prospective buyers. (louiseharnbyproofreader.com)