The self-editing checklist for non-fiction, pass by pass

To edit your own book, read it seven times and look for one thing each time. A single read that hunts for everything finds commas and misses the missing chapter. The same order is how to edit a manuscript of any length. The tests come from The Anatomy of a Bestseller (47 books; 46 measured, the Bhagavad-gita being unscoreable), so each one has a band that published books sit in. When all seven pass, test the whole book with the ten-point readiness checklist.

For how to edit a novel, the order holds but the tests change: point of view, dialogue and character replace claims and cases. The rest of this page is for non-fiction.

The structure pass asks whether the book is one book, in the right order. Write the controlling idea in one sentence, then write one line per chapter saying what it adds. The median bestseller has 14 chapters, and the middle half has 11 to 22. All 14 books the study rated "very easy to follow" used one repeatable model or a concrete image per concept.

Use this as your developmental editing checklist:

• The book's idea, model or contrast fits in one sentence.
• Every chapter's line serves that sentence. A chapter that serves another idea is cut or saved for a second book.
• Each chapter needs the one before it. If two can swap places with no loss, the order is not doing work.
• No chapter repeats another's point. Merge the two, or cut the weaker.
• Terms are defined before the chapter that first needs them.

A chapter should be one sitting long and end where it began. In the median bestseller, chapters run 5,734 words, and the middle half of books sit between 4,367 and 6,697. Across all 633 chapters the median is 4,489 words, about 19 minutes at an average 238 words a minute.

Split any chapter that needs more than 40 minutes to read, about 9,500 words. Do not force every chapter to the same length: within one bestseller, chapters vary by about a third of their average. See how many words go in a chapter for the full distribution.

Then check each ending. "Pay off the opening" was a note on 42% of chapters in the study. Read each chapter's first and last paragraphs together. If the last one never returns to the first, write the sentence that does.

Chapter one should open on a moment and come out at least a fifth shorter than your first draft of it. Twenty-three of 46 bestsellers open on a scene or story, 11 on a bold claim and only one on a statistic.

First chapters over-reach. In the study, 72% drew a note to tighten, against 46% of middle chapters, yet they read no more easily than the rest (a median difference of 0.1 Flesch points). So the opening pass is a cutting pass. Delete the throat-clearing, the history of your interest in the subject and the preview of every chapter. Keep the moment, the question it raises and the promise of an answer.

This pass finds the scenes you summarized and the lists you should have told as one case. Search for "over the next few years", "eventually" and "after a while". Each one may hide a turning point told in a sentence. "Dramatize, don't summarize" was a note on 35% of chapters in the study, and on 53% of memoir chapters.

Next, count examples. Where a paragraph lists four companies, patients or clients, pick one and tell it in full, including what went wrong. "Use fewer, deeper cases" was a note on 24% of chapters, and on 47% of business-book chapters. "Tighten" notes, on 49% of chapters, were rarely about long sentences: they targeted stacked examples, recaps of the sentence before, and verbal tics.

Fix long words before long sentences. Word length (syllables per word) explains about 70% of the variation in Flesch scores across bestsellers, and sentence length about 14%. The median book averages 1.53 syllables a word and 16.0 words a sentence.

The bands to hit: 1.47 to 1.62 syllables a word, 14.1 to 18.4 words a sentence, and a Flesch-Kincaid grade of 8.3 to 11.3. Swap "utilize" for "use" and "demonstrate" for "show" across the manuscript before you split a single sentence. Sentence length did not predict which chapters an editor asked to tighten: 44% of the shortest-sentence chapters drew the note, against 48% of the longest.

Paste a chapter into the readability checker to see where you sit. Use the word count to pages tool to turn chapter word counts into pages and reading time.

Every "always", "never" and "studies show" needs a source and a stated limit. Supporting a claim is the most common note on great non-fiction: 53% of chapters drew one, and 37% drew a note to qualify a sweeping claim. Evidence-led books drew support notes on 66% of chapters, against 36% for story-led ones.

Search the draft for each absolute and each "research shows". Add the source, or cut the claim down to what the source says. Check every quotation against its original and note the page. Then state the strongest objection to your argument and answer it: 29% of chapters were asked to. No tool can check your facts for you, AI included. This pass is yours.

Read the book aloud, or have it read to you, and mark every place you stumble. The ear catches what the eye skips: the sentence that restates the one before it, the third example in a row, the word you use twice a page.

If the whole book is too long to read aloud, read the first and last page of every chapter and every passage you flagged in the earlier passes. Microsoft Word's Read Aloud reads the text back in a synthetic voice, which is enough to hear rhythm and repetition.

Stop self-editing when a full pass changes only sentences and you start undoing your own changes. At that point you cannot see the book any more, and outside eyes are cheaper than a fourth round. Learning how to self-edit your book for publishing is mostly learning which problems you can fix alone.

You can fix length, chapter size, reading level and missing sources alone, because each has a number. You cannot judge alone whether the argument convinces a stranger or whether the structure holds. Those need a reader or an editor, and editors charge by the word. At the EFA's 2026 median rates, a manuscript assessment costs 1.5–1.8¢ a word (a median of $600 per project), a nonfiction developmental edit 4.0–5.0¢ and a proofread 2.0–3.0¢. For an 80,000-word book, that works out to $3,200–$4,000 for the developmental edit and $1,600–$2,400 for the proofread.

Run the ten-point readiness checklist next. Then choose from the five ways to get feedback, starting with beta readers if your budget is zero. If you hire, learn the types of editing first, so you pay for the edit the book needs.

The whole self-editing checklist fits on one page. Print it, work through it pass by pass, and tick each line for every chapter.

1. Structure: the idea fits one sentence; every chapter serves it; no two chapters can swap places.
2. Chapter: each runs one sitting (about 4,400 to 6,700 words) and none needs over 40 minutes; each ending returns to its opening.
3. Opening: chapter one opens on a moment and is a fifth shorter than the first draft.
4. Paragraph and scene: every "eventually" is checked for a hidden scene; one developed case replaces each list.
5. Sentence: long words swapped first; 14 to 18 words a sentence on average; grade 8 to 11.
6. Fact and claim: every absolute has a source and a limit; the strongest objection is answered.
7. Read-aloud: every stumble is marked and fixed.