The most difficult feat of human concentration is walking across Niagara Falls on a tightrope during a windstorm. The second most difficult feat of human concentration, editing your own writing! Only because of sin can we be so blind to our own errors.
And both of these feats of concentration are impossible without practice. So for all the writers out there who are never done tweaking, and changing, and shifting, and adding and deleting words and ideas to your writing (like me), this new book — The Artful Edit: On the practice of editing yourself by Susan Bell — looks very promising.
information, see Evan Sparks’ short review at The American titled, “Edit Thyself: A Maxim for the New Media”.