Speaking for myself, rewriting and editing are the key elements in the writing of a book. Of course, the first draft is obligatory, but I have come to feel it is just the scaffolding on which I can do my real work—making the book good. What do I do?
1. I go over the book repeatedly. It is my guess there are at least seventy drafts of the book before it is done.
2. I read it aloud, first to my wife (my toughest critic) and then, if I can, to a class of kids suitable for the age level.
3. I used to read my books to my kids. However, they have all moved on and away, and I do not want to impose. If they ask, then I am happy to share.
4. There are one or two friends whom I ask to read the manuscript, and ask for thoughts.
5. I send the book to my editor, not when I think it is done (it is not), but when I feel I need his/her evaluation of my work to move forward productively.
I have some rules for myself in all of this. I NEVER argue with what anyone says (well, maybe with my wife, sometimes) but just listen. To be defensive is to put on blinders. That does not mean I accept whatever anyone says, but I do need to think about it, and try to be as objective as possible. Objectivity is the Holy Grail of artistry.
1. As I have suggested before, take a break from the work, then come back to it.
2. Make sure you read your favorite writers. That is why you became a writer in the first place. The great writers will make you feel humble. The bad writers will make you worry about your work. Humble worry—the best mental mode for writing. Go back to number 1.