I’m often contacted by writers who’ve finished their book and know they should have it edited before self-publishing or approaching an agent and/or traditional publisher. When I ask them what kind of editing they need, invariably they don’t know. Or they think they know, and then decide that it’s not what they need after all. Or they think they know, and I start editing—and the book needs more work than I anticipated. As an editor, you only get a sense of the work required when you appraise a couple of sample chapters, and have to trust that the author knows