Book Blurb Writer
The Book Blurb Writer generates polished back-cover copy and retailer listing descriptions that hook readers, establish stakes, and compel the purchase decision, all without spoiling key plot points. It produces the concise, emotionally charged marketing copy that sells books.
Self-published authors, indie press marketers, literary agents drafting pitch materials, and traditionally published authors who want to influence their marketing copy use this template. It is valuable for Amazon/Kobo/Apple Books listings, back cover text, Goodreads descriptions, book proposal query letters, and social media promotional posts.
This prompt produces stronger blurbs than most authors write themselves because blurb writing is a distinct skill from book writing. The prompt enforces the proven blurb structure: hook, character introduction, stakes escalation, and an open question that creates urgency. It also generates multiple variations so the author can test different angles, and it adapts tone and conventions to the book's genre (thriller blurbs read very differently from literary fiction blurbs or romance blurbs).
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The Prompt
Write a compelling book blurb for the following: **Title**: [BOOK TITLE] **Genre**: [GENRE, e.g., "Psychological thriller", "Cozy mystery", "Epic fantasy", "Contemporary romance", "Literary fiction", "Memoir"] **Plot Summary**: [3-5 SENTENCES SUMMARIZING THE CORE PLOT, e.g., "A forensic accountant discovers her firm has been laundering money for a cartel. When she tries to report it, she learns her boss has implicated her in the records. She has 72 hours to find the real evidence before the FBI arrests her or the cartel silences her."] **Target Reader**: [WHO THIS BOOK IS FOR, e.g., "Readers who loved Gone Girl and The Girl on the Train", "Fans of Brandon Sanderson who want a standalone fantasy", "Women 25-45 who enjoy beach reads with substance"] **Tone of the Book**: [TONE, e.g., "Fast-paced and twisty", "Slow-burn and atmospheric", "Witty and heartfelt", "Dark and unflinching"] Generate: ### Blurb Version 1: Classic Structure (150-200 words) - **Hook**: An opening line that grabs attention (a provocative statement, a question, or a vivid image) - **Character + Situation**: Introduce the protagonist and their world in 1-2 sentences - **Stakes Escalation**: What goes wrong, what is at risk, what choices must be made - **Open Question**: End on a line that creates urgency to read without revealing the resolution ### Blurb Version 2: Alternative Angle (150-200 words) Take a different approach: lead with the emotional core instead of the plot, or focus on a different character's perspective, or open with the book's most striking image. ### Blurb Version 3: Short Format (75-100 words) A condensed version for social media posts, newsletter features, or retailer "short description" fields. ### Comp Title Line A "Perfect for fans of..." sentence that positions the book in the market without being derivative. ### Blurb Critique For each version, note one strength and one potential improvement so the author can refine further.
Usage Tips
- Do not summarize your whole plot: The plot summary input should cover the setup and central conflict, not the resolution. Blurbs that reveal too much kill the reader's curiosity. Stop your summary at the midpoint or the main complication.
- Specify your genre precisely: "Thriller" is too broad. "Domestic thriller" and "legal thriller" produce very different blurbs because the genre conventions, reader expectations, and language differ significantly.
- Test blurb versions with readers: Share all three versions with 5-10 target readers and ask which one makes them most likely to read the book. Reader testing is the only reliable way to evaluate blurb effectiveness.
- Use the comp title line carefully: The comparison should be aspirational but believable. Comping your debut to the bestselling book of the decade can feel presumptuous; comping to a well-known mid-list title in your genre feels credible.
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