The points on quality of book / writing is of great importance. (killzoneblog.com)
Sure, there are others along the way, but only the editor, a sales person, and a publisher are the judges of quality of the book. (deanwesleysmith.com)
Among other performance enhancements, we have an «improved quality of book covers in the store» (although the reality seems to suggest otherwise). (addictivetips.com)