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.
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.
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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