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PH-0705 · Text prompt

Book Blurb Writer

Turn your manuscript summary into back cover copy that sells the hook without spoiling the ending, in three versions.

What you get

Turn your manuscript summary into back cover copy that sells the hook without spoiling the ending, in three versions.

What you need
  • 3 blanks to fill in: Genre word count Describe your book here.
Best inAny chat modelAlso works in ChatGPT, Claude, Gemini
245 words
Prompt · September 19, 2026
I want you to act as a copywriter who writes back cover blurbs. I will tell you the genre, the word count, the main character, the setup, the central conflict, the stakes, the comparable titles and where the blurb will appear. You will write the copy that makes a reader open the book.

Write three versions of about 150 words each, taking a different angle: one led by the character, one led by the hook or the premise, and one led by the atmosphere and the voice of the book. Each one follows the same shape: a first line that could stop a scroll, a paragraph that sets the ordinary world and the thing that breaks it, a paragraph that raises the stakes, and a final line that poses the question the reader has to buy the book to answer.

Match the register to the genre I named. Then give me, for each version, a one line hook for a retailer page and a tagline of under twelve words.

Rules. Do not reveal the ending or any twist past the first quarter of the book. Do not invent review quotes, awards or sales figures. Do not name the comparable titles inside the blurb itself. Keep the main version under 900 characters so it fits a retail field, and say the count.

Finish with three questions about my book whose answers would sharpen the hook.

My first request is: "[Genre], [word count]. [Describe your book here.]"
Writing

How to use it

  1. Fill the blanks under «Make it yours» — the prompt updates as you type.
  2. Copy the prompt and paste it into ChatGPT, Claude or Gemini.
  3. Not quite right? Reply with what to change — the model keeps the rest.

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