The high cost of printing your book POD keeps you out of the bookstore system, whether or not you are self published. (castlegatepress.com)
Due to the increasing cost of a printed book's materials, lots of publishing companies are now being offered to issue e-books. (hubpages.com)
They may be primary rights, but the per - unit costs of e-book sales are actually ridiculously low compared to per - unit costs of print books. (blackplasticglasses.com)