How to Write a Query Letter: A Complete Guide for Writers

A query letter is your manuscript's first impression. It's a one-page pitch sent to literary agents or publishers to convince them that your book is worth reading. Think of it as the cover letter for your manuscript — except the stakes are higher and the competition is fiercer. A great query letter can launch a career. A bad one can bury an otherwise brilliant book.

Most literary agents receive hundreds of query letters per week. They spend roughly 30 seconds to two minutes deciding whether to request more material or move on. That means every word in your query has to earn its place. This guide walks you through the anatomy of a query letter, shows you real examples, and helps you avoid the mistakes that land queries in the rejection pile.

What Is a Query Letter?

A query letter is a formal, one-page letter that introduces you and your book to a literary agent or editor. For fiction, you send a query after you've finished and revised your manuscript. For nonfiction, you can query before the book is complete — but you'll need a polished book proposal to accompany it.

The goal of a query letter is not to sell your book. It's to get the agent interested enough to request your manuscript — either a partial (the first 50 pages or so) or a full. The query is a door opener, not a closer.

Anatomy of a Query Letter

Every effective query letter contains four essential components. The order may vary slightly, but these elements should always be present:

1. The Hook

Your opening paragraph needs to grab the agent's attention immediately. Start with the most compelling element of your story — the central conflict, a provocative premise, or a striking situational setup. This is not the place for backstory, worldbuilding, or throat-clearing. Hit them with the thing that makes your book impossible to put down.

A strong hook often includes: the protagonist's name, a defining characteristic, and the central problem they face. You might also include a comparison or "comp title" line — for example, "BOOK TITLE is a 90,000-word thriller, Gone Girl meets The Social Network." Some writers put their comp titles at the end instead. Either works.

2. The Summary

The body of your query is a 150–250 word summary of your book. For fiction, this should read like compelling jacket copy — not a synopsis. You don't need to reveal the ending. Focus on:

• Who is the protagonist and what do they want?
• What stands in their way?
• What choice do they face, and what are the stakes if they fail?

Keep the focus on one or two characters. Avoid listing every subplot or secondary character. The summary should convey the emotional core of the book and leave the agent wanting to know what happens next.

3. The Bio

Your author bio should be brief — two to four sentences. Include relevant writing credentials: previous publications, writing degrees or workshops, contest wins, or relevant professional experience. If you're writing a medical thriller and you're a doctor, mention it. If you have no writing credits yet, that's fine — many debut authors don't. Simply state your name and anything relevant to why you wrote this book.

Don't include: your life story, the fact that your mom loved the book, your day job (unless relevant), or self-deprecating disclaimers like "I know you're busy" or "I'm not sure this is good enough."

4. The Closing

End with the essential metadata: your book's title (in caps), word count, genre, and a polite closing. Something like: "THE BOOK TITLE is a 85,000-word literary novel. The complete manuscript is available upon request. Thank you for your time and consideration." Then your name and contact information.

Query Letter Formatting Rules

Formatting a query letter is straightforward, but getting it wrong signals amateur status. Follow these rules:

• Length: One page maximum. 250–400 words is the sweet spot.
• Font: Use a standard, readable font like Times New Roman or Arial, 12pt.
• Format: Single-spaced, with a blank line between paragraphs. No indentation.
• Salutation: Address the agent by name. "Dear Ms. Smith" — never "Dear Agent" or "To Whom It May Concern."
• Subject line (email): Follow the agent's submission guidelines exactly. Usually: "Query: BOOK TITLE, Genre."
• Attachments: Never attach files unless the agent's guidelines specifically request them. Paste your query (and sample pages, if requested) in the body of the email.

What Literary Agents Look For

Understanding what agents actually want helps you write a stronger query. Here's what they're evaluating as they read:

• A clear, compelling premise. Can they envision pitching this book to an editor in one sentence?
• Voice. Does the query itself demonstrate strong writing? The query letter is a writing sample.
• Market fit. Does this book fit a recognizable genre or category? Is there an audience for it?
• Appropriate word count. A 200,000-word debut literary novel is a red flag. Know the norms for your genre.
• Professionalism. Is the query well-formatted, free of typos, and addressed to the right agent?

Fiction Query Letter Example

Nonfiction Query Letter Example

Common Query Letter Mistakes

These are the errors that agents see most often — and that will get your query rejected fastest:

• Starting with a rhetorical question. "What would you do if you discovered your whole life was a lie?" Agents see this opening dozens of times a week. Start with your character and their specific situation instead.
• Being too vague. "This is a story about love, loss, and finding yourself" tells the agent nothing. Specifics are what make a query compelling.
• Summarizing the entire plot. Your query summary should cover roughly the first third to half of the book. Don't reveal the climax or resolution — leave the agent wanting more.
• Including too many characters. Name two or three characters at most. The agent needs to track the protagonist, not your entire cast.
• Comparing yourself to bestselling authors. "This is the next Harry Potter" or "I'm the next Stephen King" reads as delusional, not confident. Let your writing speak for itself.
• Querying before the manuscript is ready. For fiction, never query until the manuscript is completely finished and revised. Agents will ask for it, and "it's almost done" is not an acceptable answer.
• Mass-emailing agents. Personalize each query. Agents can tell when they've received a form letter, and it signals that you haven't done your research.
• Ignoring submission guidelines. Every agent has specific requirements — some want the first five pages pasted below, others want a synopsis, and some want query only. Follow the instructions exactly.

Query Letter vs. Cover Letter

These terms are sometimes confused, but they serve different purposes. A query letter is an unsolicited pitch — you're cold-emailing an agent to ask if they're interested in your project. A cover letter accompanies a requested submission — the agent has already asked to see your work, and the cover letter is a brief note reminding them of your previous communication.

Cover letters are much shorter and simpler: "Dear Ms. Chen, thank you for requesting THE COORDINATES. Please find the full manuscript attached. I look forward to hearing from you." The heavy lifting was already done by the query.

How Long to Wait for Responses

Response times vary wildly. Some agents respond within a week; others take three to six months. Many agents have a "no response means no" policy — if you haven't heard back within their stated response window (usually listed on their website or in query tracker databases), assume it's a pass.

It's generally acceptable to send a polite follow-up if you haven't heard back after the agent's stated response time has passed. Keep it brief: "I'm following up on a query I sent on [date] for THE BOOK TITLE. I wanted to confirm it was received. Thank you for your time."

Batch Querying Strategy

Don't send your query to 100 agents at once. Instead, use a batch strategy: send to 8–10 agents at a time. Wait for responses (or until the response window closes), then evaluate the feedback you're getting before sending the next batch.

If you're getting zero requests after 15–20 queries, the problem is likely your query letter — not bad luck. Revise the query before sending more. If you're getting requests but then rejections on the manuscript itself, the query is working but the manuscript needs more revision.

Keep a spreadsheet tracking every query: agent name, agency, date sent, response, and any notes. This helps you stay organized and avoid accidentally querying the same agent twice.

Word Count Guidelines by Genre

Agents pay attention to word count because it signals whether you understand your genre's market expectations. Here are the standard ranges for debut authors:

• Literary fiction: 70,000–100,000 words
• Commercial/thriller: 80,000–100,000 words
• Science fiction/fantasy: 90,000–120,000 words
• Romance: 50,000–90,000 words (varies by subgenre)
• Young adult: 55,000–80,000 words
• Middle grade: 25,000–55,000 words
• Memoir/narrative nonfiction: 70,000–90,000 words

Related Guides

• How to Write a Book Proposal: A Step-by-Step Guide →
• Standard Manuscript Format: A Complete Formatting Guide →
• How to Start Writing a Book →
• Finding Your Writing Voice →