Why everyone needs an editor

This is a video showing you how much copyediting had to be done to a book written by a self-publishing guru. “It was already rewritten twice and, hey, I have a fairly good grasp of the English language. In other words, my book was in relatively good shape. And yet, as you’ll see in the video, there were plenty of corrections.”

http://catherineryanhoward.com/2011/08/23/why-you-need-an-editor-a-demonstration/