book proposal



From Idea to Publication: How to Write a Book Proposal

by Harry Wallett

You might have a great idea for a book, but you are unsure how to get it published. The first step to getting your book published is writing a compelling book proposal. But how to write a book proposal that catches attention? 

Do you write a sample chapter or the entire manuscript?

A book proposal outlines the premise of your book, the target audience, and why it will succeed in the market.

In this article, I’ll guide you through the steps of writing a compelling book proposal for nonfiction writers, from idea to publication.

Introduction to Book Proposals

A book proposal is like the business plan of your book – a document that demonstrates to literary agents and publishing houses that your book has commercial potential. 

The proposal should be concise and compelling, highlighting the unique selling points of your book. But you might need some guidance on how to write a book proposal. 

No problem! That’s why we’re here. 

A book proposal typically consists of several components, including:

  • An overview
  • An understanding of the proposed audience
  • Marketing Plan
  • Author bio 
  • Chapter summaries
  • Sample chapters

Why You Need a Book Proposal

Writing book proposals is essential for nonfiction writers who want to get published. Unlike fiction authors, who can submit a manuscript directly to a publisher, nonfiction authors need a book proposal to showcase their book idea and marketability. 

A well-crafted book proposal can help you secure agents, traditional publishers or help you establish yourself on a self-publishing author platform, increasing your chances of finding an audience.

Components of a Nonfiction Book Proposal

Components of a Nonfiction Book Proposal

A nonfiction book proposal typically consists of the following components:

The Overview

The overview should be a brief summary of your book, including: 

  • the title, 
  • subtitle, and 
  • premise 

It should also identify the unique selling point of your book, such as why it is different from other competitive titles and how it is similar to previously published books.

Make the publishing house understand where your nonfiction book could resonate with the intended readership. 


Understanding your intended readership is critical when writing a compelling book proposal. The audience should be well-defined, specific, and up-to-date. 

Are you looking to appeal to stay-at-home moms, work-from-home professionals, entrepreneurs, or college students? This is about recognizing the commercial appeal of your book. 

Include market research that affirms your audience, including the number of your social media followers and sales figures of previous publications in the same genre. Publishers aren’t always looking for tens of thousands of potential readers – but it’s extremely helpful if you can hand them on a plate! 

Marketing Plan

A marketing plan is essential to demonstrate to publishers that you have a strategy to promote your book. The marketing plan should outline the channels you will use to promote your book, such as social media, book signings, and speaking engagements.

Briefly summarize how to intend to reach your test market – explore how publishers or authors marketed comparable titles. 

Author Biography

An author bio is your chance to showcase your expertise and credibility as an author. It should highlight:

  • Your qualifications
  • Experience related to your book’s topic
  • Any previous experience you have with the publishing industry

Chapter Summaries

Chapter Summaries

Chapter summaries should provide a brief overview of each chapter’s content, including the main points and takeaways.

You don’t need to include page numbers or a complete manuscript here – just a brief summary of how you intend to build your forthcoming book. 

Sample Chapters

Sample chapters are an opportunity to showcase your writing style and the quality of your content for your particular book. 

Include the first few chapters – it shows your capability and writing style. 

Crafting a Book Proposal – Step-by-Step Guide

Step 1: Define Your Book’s Premise

The first task in the book proposal writing process is to define your book’s premise. Make it clear, snappy, and concise, highlighting the main idea of your entire book.

Step 2: Identify Your Audience

Identifying your audience is essential in writing a compelling book proposal. Your intended readership should be clearly defined and specific: consider who is likely to buy your book, aligning them with other successful nonfiction books. 

For example, do you want to write a business book? Or is it a history/biography? Perhaps it’s a textbook? How do these genres sell in the marketplace?

This is about developing a competitive title analysis, proving why your book is ideally suited for marketplace success. Create a list of competitive titles from traditional publishing houses and self-published books that have turned over significant profits. 

This leads us to:

Step 3: Understanding Your Competition

Researching your competition is essential in demonstrating the marketability of your book. Identify books similar to yours and highlight how your book is different – and better.

Step 4: Outline Your Chapters

First, create brief, snappy summaries that outline each chapter. Then, develop a more detailed chapter outline, which provides a quick overview of each chapter’s content.

Step 5: Write Your Book Proposal

Once you have completed the previous steps, you can start writing your book proposal. Your book proposal should be well-crafted, highlighting the unique selling points of your book.

Writing Sample Chapters for Your Book Proposal

Sample chapters are an essential component of your book proposal. It is recommended to include the first few chapters of your book. Your sample chapters should showcase your writing style and the quality of your content while providing a glimpse into your book’s content and demonstrating your expertise on the topic.

Finding the Right Literary Agent for Your Book Proposal

Finding the right agent is essential in getting your book published. The right agent can help you navigate the complicated publishing industry and secure a book deal. 

When looking for an appropriate representative, you should research agents who represent books similar to yours and submit your book proposal to them.

How to Pitch Your Book Proposal to a Literary Agent

Pitching your book proposal to a literary agent can be challenging. You should prepare a concise and compelling pitch highlighting your book’s unique selling points. 

Practice your “elevator pitch.” If you stepped into an elevator and spotted a publishing industry pioneer standing next to you, you have until you reach the top floor to sell your book idea. 

You should also be prepared to answer questions about your book and target audience. Start by writing a bullet list of points, then practice delivering them in 30 seconds! 

Common Mistakes to Avoid While Writing a Book Proposal

There are several common mistakes to avoid while writing a book proposal, including:

  • Not clearly defining your target audience
  • Not researching your competition thoroughly
  • Not showcasing your expertise and credibility as an author
  • Not including a detailed marketing plan
  • Not proofreading and editing your book proposal thoroughly


Writing a compelling book proposal is essential to getting your book published. A well-crafted book proposal can help you secure a literary agent and publisher and increase your chances of getting a book deal. 

By following the steps outlined in this article, you can write a compelling book proposal and get your book published.

CTA: Start writing your book proposal today and take the first step towards getting your book published.

Harry Wallett is the Managing Director of Cascadia Author Services. He has a decade of experience as the Founder and Managing Director of Relay Publishing, which has sold over 3 million copies of books in all genres for its authors, and looks after a team of 50+ industry professionals working across the world.

Harry is inspired by the process of book creation and is passionate about the stories and characters behind the prose. He loves working with the writers and has shepherded 1000s of titles to publication over the years. He knows first-hand what it takes to not

Leave a Reply

Your email address will not be published. Required fields are marked *

Get Our FREE Definitive Guide To Creating A Nonfiction Bestseller Here!