Publishing library

Chat-model prompts for writing an eBook, in order

Nine prompts that take an idea to a finished draft in a general chat model — and why the order matters more than the wording.

Written September 11, 2026

Quick answer

Prompt in the order a book is built: reader and promise first, then outline, then one chapter at a time with the whole outline in view, then edits. The single biggest mistake is asking for the whole book in one message; the model loses the structure by chapter three. Below are the prompts, with what each one is for.

01

Prompts for the promise and the outline

Start with the reader, not the topic. "My reader is [who], stuck at [problem]. In one sentence, what is the most useful change this book could make for them?" — then argue with the answer until it is true. Second: "Turn that promise into a title and subtitle a bookshop would print; give me six options, no hype." Third: "Outline a [format] of about [N] words in [K] chapters. Each chapter needs a specific title and one sentence on what the reader can do after it. Every chapter must advance the promise; cut any that does not." Read the outline as a reader would and rename or reorder before writing a word.

02

Prompts for the chapters

One chapter per message, always with context: "Book: [title]. Reader: [who]. Voice: [voice]. Whole outline: [all chapter titles]. Write chapter [n], [title], whose purpose is [summary]. About [words] words, three to six sections with short headings, practical examples, no invented statistics or quotations, do not repeat the title." Then, for the weak ones: "Rewrite section 2 with a concrete example from [your field]" or "This opening is generic; start with the reader's situation instead." Rewriting one section is cheaper and better than regenerating the chapter.

03

Prompts for the edit

Ask for the checks a model can actually do. "List every factual claim, number or named source in this chapter" gives you the fact-check list. "Mark every sentence that could be cut without losing meaning" finds padding. "Where does this chapter contradict chapter [n]?" catches drift across a long draft. What you do not outsource: the decision about what is true, and the passages only your experience can write. A studio that keeps the outline in view for every chapter, and lets you rewrite one chapter alone, does this sequence for you — but the sequence is the point, not the tool.

Common questions

Straight answers

Should I paste the whole draft back in for editing?+

Chapter by chapter. Long pastes push the model toward summary and it starts dropping detail. Edit one chapter per message, with the outline attached.

Which voice instruction works best?+

Name a behaviour, not an adjective: "short paragraphs, second person, one example per section, no exclamation marks" beats "engaging and friendly".

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