A query letter is a business letter, not a creative writing exercise. Agents receive 50–200 queries per week. Your query needs to communicate three things in under 350 words: what the book is, whether it's the right fit for this agent, and whether the author knows what they're doing.

The formula that works is not a secret. It's been written about extensively by agents on their own blogs. What's rare is writers executing it well.

The structure of a successful query letter

Paragraph 1: The hook and personalization

If the agent has an open MSWL or specific stated interests, you can open with a brief personalization: "I'm querying you because you mentioned on MSWL that you're looking for [specific thing] — my novel does exactly that." Keep this to one sentence. Agents know when it's genuine research and when it's filler.

If personalization feels forced, skip it and go straight to the book. A weak personalization is worse than none.

Paragraph 2: The synopsis (your longest paragraph)

This is the core of your query. It should cover:

  • Who your protagonist is and what they want
  • What disrupts their world (the inciting incident)
  • What the central conflict is and what's at stake if they fail
  • One or two specific details that make the story feel distinctive

Target 150–200 words for this paragraph. Do not summarize the entire plot. You're writing back-cover copy, not a synopsis — enough to make the agent want to read more, not enough to replace reading it.

Avoid: telling the agent how readers will feel ("readers will be on the edge of their seats"), rhetorical questions as hooks, and vague emotional description without concrete story details.

Paragraph 3: Book details and comp titles

[TITLE] is a [word count] [genre] complete with [word count]. It will appeal to fans of [COMP TITLE] and [COMP TITLE].

This format is standard. It's not exciting, but it's what agents expect to find. Include:

  • Word count: Genre-appropriate ranges matter. Adult fantasy runs 90,000–120,000 words. Thriller 70,000–90,000. Romance 70,000–100,000. Anything significantly outside the expected range needs a note.
  • Genre: Be specific. "Fiction" is not a genre. "Upmarket domestic thriller" or "contemporary romance with dark themes" tells an agent where your book belongs in a bookstore.
  • Series information: If this is book one of a planned series, note it briefly: "stands alone but has series potential."
  • Comp titles: Two is usually enough. Published in the last 3–5 years. Genuinely comparable — not aspirational.

Paragraph 4: Bio

Keep your bio brief (2–3 sentences) and focused on what's relevant to this book:

  • Prior publications (short stories, essays, other books) — mention them
  • Relevant professional experience that informs the book (a thriller by a forensic scientist; a medical drama by a surgeon)
  • Writing community involvement (MFA, Pitch Wars, writing groups)
  • Nothing else

If you have no publishing credits and no directly relevant experience, it's perfectly acceptable to write: "This is my debut novel." Don't apologize for it or over-explain. Agents expect debut writers — what they don't expect is a debut writer who pretends to have credits they don't have.

Common mistakes that get queries rejected immediately

  • Comparing yourself to famous authors: "My novel is the next Gone Girl" is a flag, not a recommendation. Let the comp titles speak for themselves.
  • Starting with a rhetorical question: "What if you woke up tomorrow with the power to see the future?" Almost every agent's blog lists this as an instant-rejection trigger.
  • Describing how the book will make readers feel rather than what happens: "This heartwarming story will make you laugh and cry" is press-release copy, not a query.
  • Not following submission guidelines: Every agency has specific guidelines. If they ask for a synopsis, include one. If they ask for the first 10 pages in the body of the email, don't send an attachment. Ignoring guidelines signals that you'll be difficult to work with.
  • Querying too early: A query letter cannot save an unready manuscript. If your first five pages aren't strong, fix them before you query anyone.
The most reliable test: Read your synopsis paragraph aloud. Does it make you excited about the story, or does it sound like a list of plot events? If it's the latter, rewrite it until the premise — not the sequence of events — is what's on the page.

Query letter vs. synopsis

Some agents request both a query letter and a synopsis (a document that summarizes the entire plot, including the ending, in 1–2 pages). These are different documents. The query is a teaser; the synopsis is a full disclosure. If an agent requests a synopsis and you send only a query summary, you've followed the submission guidelines incorrectly.

For the full process of finding agents to send your polished query to, see our literary agent guide. And make sure your manuscript is as ready as your query before you begin: an editorial review of your opening chapters can reveal the problems that would cause an agent to stop reading after the sample pages.