ChatGPT Prompts for Writing a Book: Copy and Paste Library

I've lost count of the people who open ChatGPT, type "write my book", and get back something flat that sounds like nobody. That's not a book, it's a placeholder. The writers who get the most from AI work the other way round: they write the words, and they use ChatGPT to ask sharper questions, catch problems and keep going when the middle gets hard.

So every prompt below keeps the pen in your hand, with ChatGPT as your editor and sounding board. You'll find prompts for planning, outlining, characters, stuck scenes, feedback, editing, business books and the blurb. If you're new to prompting, my beginner's guide to writing a good prompt is a gentle place to start.

Planning your book before chapter one

Use these before you write a word. They help you find what the book is for.

Find the heart of your idea

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I want to write a [genre or type] book about [idea in one or two sentences].
Ask me ten questions, one at a time, that help me find what this book is about and who it's for. Don't suggest answers.

Pressure-test the premise

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Here's my book premise: [premise].
List the five biggest weaknesses a tough editor would point out, and for each one ask me a question that would help me fix it myself.

Build a picture of your reader

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My book is for [type of reader].
Help me describe this reader: what they already know, what they want from a book like mine, what bores them and what keeps them turning pages.

A writing plan you'll keep

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I can write for [time] on [days] and my draft goal is [length or number of chapters].
Suggest a realistic weekly plan with small milestones and one check-in question I can ask myself each Friday.

Outlining chapters and plot

An outline you've shaped yourself is far easier to write from than a blank page.

Turn messy notes into an outline

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Here are my notes for the book: [paste notes].
Group them into a possible chapter order with a one-line purpose for each chapter. Flag the gaps, but don't fill them in for me.

Check the story structure

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Here's my chapter-by-chapter outline: [paste outline].
Show me where the tension rises and where it sags, then ask me what could change in the sagging chapters.

Plan a subplot

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My main plot is [summary]. I'm thinking about a subplot involving [character or idea].
Give me three ways the subplot could connect to the main story, and the risk of each.

Sketch a chapter before you write it

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I'm about to write chapter [number], where [what happens].
Ask me what the reader should feel at the start and the end, what changes, and which single image or line I want them to remember.

Characters, scenes and story writing prompts

These are the prompts I'd reach for when a character feels thin or a scene won't move.

Interview your main character

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Act as an interviewer. My main character is [name], [age, job, situation].
Ask them eight probing questions about their fears, secrets and wants. I'll answer in their voice, then you point out any contradictions.

Give a side character a life

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[Name] is a minor character who mostly [role in the story].
Suggest four small, specific details, such as a habit, a phrase, a want or a grudge, that would make them feel real without changing the plot.

Diagnose a scene that isn't working

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Here's a scene I wrote: [paste scene]. It feels [flat, slow, rushed or confusing].
Explain why in plain terms and suggest three changes I could try. Don't rewrite it for me.

Sharpen your dialogue

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Here's a dialogue exchange: [paste].
Point out lines where characters sound the same, say too much or explain what the reader already knows, and suggest what I could cut.

Unstick the middle

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I'm stuck at [point in the story]. So far: [summary].
Give me six possible next moves, from obvious to surprising, and for each tell me what the main character would risk or lose.

Story writing warm-up

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Give me a short writing exercise for [genre] using my character [name] in [setting].
Make it one situation with a twist, described in a couple of sentences, so I do all the writing.

Feedback, critique and editing that keeps your voice

Ask for honesty, ask for lists, and make the final calls yourself.

Beta reader reaction

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Read this chapter as a [type of reader] would: [paste chapter].
Tell me where you got bored, confused or curious, quoting the exact sentence each time. Be honest rather than kind.

First page test

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Here's my opening page: [paste].
Would someone browsing a bookshop keep reading? Explain what hooks them, what slows them down and what question the page leaves them with.

Consistency check

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Here are my notes on characters and timeline: [paste]. Here's chapter [number]: [paste].
List any details that contradict my notes, such as names, ages, eye colour or days of the week.

Pacing map

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Here's a one-paragraph summary of every chapter: [paste].
Label each chapter fast, steady or slow, and point out any run of slow chapters back to back.

Line edit without rewriting

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Edit this passage for clarity and rhythm: [paste].
Keep my voice and word choices. Show only your suggested changes as a list with the reason for each, so I can accept or reject them.

Find your crutch words

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Here's a long extract of my writing: [paste].
List the words and phrases I lean on too often, show where each one appears, and suggest which ones to cut first.

Prompts for a business book or short guide

Plenty of business owners I work with want a book as a calling card: a short guide that shows what they know. These suit that kind of non-fiction.

Shape your know-how into chapters

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I run a [type of business] and help [customers] with [problem].
Interview me about the questions customers ask most, then suggest a chapter list for a short practical guide built around those questions.

Turn a client story into a chapter

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Here's what happened with a client, with names removed: [story].
Help me structure it as a chapter: the problem, what we did, what changed and the lesson. Ask me for details I've left out.

Make a chapter more useful

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Here's my draft chapter: [paste].
Suggest where a checklist, worksheet or simple example would help the reader act on it, and what each one should contain.

Strip out the jargon

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My readers are [audience], not experts. Here's a chapter: [paste].
List every term they might not know and suggest a plain alternative or a one-line explanation for each.

Blurb, titles and the finishing touches

Blurb options from your own notes

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Here's my book in a paragraph: [summary]. Readers who'd love it also enjoy [comparable books].
Write three short blurb options in different tones, using only the details I've given you.

Chapter title ideas

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Here are my chapter summaries: [paste].
Suggest three title options for each chapter in one consistent style that feels [playful, plain or intriguing].

Book title shortlist

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My book is about [topic] for [reader], and I want it to feel [feeling].
Give me a dozen title and subtitle pairs, then tell me which five are clearest for someone browsing.

Author bio

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Here are facts about me: [background, relevant experience, where readers can find me].
Write a short author bio in the third person plus a one-line version, without inventing anything.

How to get better results from your writing prompts

• Paste your real pages. Feedback on your own words is worth far more than anything ChatGPT writes from scratch.
• Ask for questions, not answers. The prompts that ask ChatGPT to interview you keep the ideas yours.
• Keep your notes in one place. ChatGPT has projects and file uploads, so you can keep your outline and character notes together and paste less each time.
• One job per prompt. Asking for structure, dialogue and grammar all at once gets you shallow comments on everything.
• Treat every suggestion as optional. You're the author. If a change doesn't sound like you, leave it out.

When you need a break from the manuscript, these playful prompts for a slow afternoon are a nice way to loosen up, and if you're promoting the finished book, my content creation prompts will help with the posts and emails around launch.

Frequently asked questions

Can ChatGPT write a book for me?

It can produce pages of text, but a book written for you won't sound like you, and readers notice. You'll get a far better book by writing it yourself and using ChatGPT for planning, questions, feedback and editing.

What's a good first prompt for writing a book with ChatGPT?

Start with a prompt that asks ChatGPT to interview you about your idea, one question at a time, without suggesting answers. It helps you find what the book is about before you outline anything.

Can I use ChatGPT for story writing without losing my voice?

Yes. Paste your own writing, ask for lists of suggested changes rather than rewrites, and accept only what sounds like you. Prompts that ask questions keep the story in your hands.

Is it okay to use AI to help write a book?

Many writers use AI as an editor or sounding board. If you're publishing through a publisher or a platform, check their rules on AI-assisted work and follow them.

Do these book writing prompts work in Claude or Gemini?

Yes. They're plain text prompts, so you can paste them into ChatGPT, Claude or Gemini and fill in the brackets in the same way.