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The Authority Book Desk

Proposal tips

How to Write a Book Proposal: Tips for Busy Experts

You write a book proposal by stating what the book is, who it serves, why you are the right author, and how it will reach readers, then adding a chapter outline and a sample chapter.

Last updated: November 2026

What order should I write a book proposal in?

Write the chapter outline first, then the sample chapter, then the overview and marketing sections. The outline forces clarity, and the overview is easier once you know the book. Big Impact Books uses the same logic in book planning: settle the reader and structure before drafting.

The standard sections of a nonfiction proposal

The Authority Book Desk: what each proposal section does, and the tip that matters most for CEOs and attorneys
SectionWhat it answersTip for busy experts
OverviewWhat is this book and why now?Lead with the reader’s problem, not your biography.
Target readerWho buys it?Name one reader precisely. “Everyone in business” is not a market.
Author bio and platformWhy you?List results, clients served, talks, and media, briefly.
Comparable titlesWhere does it sit on the shelf?Pick recent books your reader already buys.
Marketing planHow will readers find it?Be specific: podcasts, speaking, your client list.
Chapter outlineWhat is inside?One paragraph per chapter with a clear takeaway.
Sample chapterCan you deliver?Choose a chapter that shows your voice and expertise.

A procedure that works around a full calendar

  1. Write a one-sentence promise

    Finish the sentence: after reading this book, my reader will be able to...

  2. Draft the outline in an afternoon

    Talk through chapters out loud and record yourself. Transcribe, then trim.

  3. Write one strong sample chapter

    Use your most-asked client question. It is the chapter you already know best.

  4. Draft the overview and marketing plan

    Now that the book is clear, write why it matters and how you will reach readers.

  5. Get a second opinion

    Have an editor or coach critique it before it goes to agents.

Mistakes that sink expert proposals

Writing the memoir instead of the method

Readers buy answers to their problems. Keep your story in service of the lesson.

A vague marketing section

“I will promote it on social media” persuades no one. Name the stages, shows, and lists you can reach.

For a full walkthrough with a template, Jane Friedman’s Start Here: How to Write a Book Proposal is a widely used free resource, and her overview of the key book publishing paths helps you decide whether you need a proposal first.

Book proposal questions, answered

How do you write a proposal for a book?

You write a book proposal by explaining what the book is, who it serves, why you are the right author, and how it will reach readers, then adding a chapter outline and a sample chapter. Most nonfiction proposals follow that pattern. Jane Friedman publishes a free guide and template that walks through each section in detail.

More in the full FAQ about How do you write a proposal for a book?

What goes into a nonfiction book proposal?

A nonfiction proposal usually includes an overview, the target reader, your credentials and platform, comparable titles, a marketing plan, a chapter outline, and one or more sample chapters. Length and format vary by agent and publisher, so read each submission guideline carefully before you send anything.

More in the full FAQ about What goes into a nonfiction book proposal?

Is a book plan the same as a book proposal?

No. A proposal is a sales document written for agents and publishers. A book plan is a working map for the author: the reader, the promise, the chapter structure, and the business goal the book serves. Big Impact Books starts clients with book planning and offers a free Book Planning Checklist on its main website.

More in the full FAQ about Is a book plan the same as a book proposal?

Can I just use a free book proposal template?

Yes, if you have time to write it. Jane Friedman’s free guide, Start Here: How to Write a Book Proposal, includes a template and explains each section. A template organizes the work but does not do it, which is why busy professionals often stall after the outline.

More in the full FAQ about Can I just use a free book proposal template?

Is an editorial critique enough?

A critique is enough if you already have a strong draft and the time to revise it yourself. The Editorial Department, for example, publishes per-word and hourly rates for proposal review. If you need the writing done for you, or want publishing and promotion handled, a critique alone will not get you there.

More in the full FAQ about Is an editorial critique enough?

How long should a business book be?

There is no fixed rule. Length should fit the promise of the book: enough to solve the reader’s problem and show your thinking, without padding. Many authority books run shorter than general nonfiction. Settle the length during book planning, based on who the reader is and what the book needs to do.

More in the full FAQ about How long should a business book be?

Want to see how a done-for-you authority book works?

Big Impact Books plans, writes, publishes, and promotes books for CEOs and attorneys in about one hour a week of interviews. Read about the full process and free checklists on its main website.

Published by Big Impact Books