Episode Summary

How long should my book be? It is one of the first questions every expert asks — and most of the answers they find point to traditional publishing word counts. But those standards were developed for a publishing context quite different from the one most coaches, consultants, and thought leaders are writing in.

In Episode 12 of the Author-ized™ Podcast, Ada reframes the book length question entirely — not as a word count target to hit, but as a strategic decision that flows from what the book is trying to do.

The episode opens with a personal story from Ada's very first ghostwriting project: a health book for practitioners that covered everything it needed to in nine chapters. Convinced that a "real book" needed ten chapters to feel complete, she added a psychological perspective chapter that introduced an entirely different topic. Three of the first readers gave it the same verdict: Chapter 10 came out of nowhere. The chapter was eventually removed when the book went to its second print run — and the lesson became one Ada has carried into every ghostwriting project since.

From that story, the episode builds a clear argument: the goal of a nonfiction book is not to demonstrate how much the author knows, but to deliver a specific transformation to a specific reader. And that goal — not word count conventions, not page count targets — is what should determine how long the book needs to be.

The episode covers what traditional publishing expects and why it matters for some authors but not all, why a collection of blog posts is not a book, and three specific factors that determine appropriate length: the framework (each stage becomes a chapter, and the framework determines how many chapters are needed), the reader's context (how they will engage with the book shapes how much depth is genuinely useful), and the book's core promise (the ultimate filter for what belongs and what does not).

Key Takeaways

• The misconception that longer equals more credible is one of the most common and most costly assumptions experts bring to the writing process — and it almost always results in content that does not serve the reader or the book's promise.

• Traditional publishing word count conventions are worth knowing if traditional publishing is the goal — but they are not the only benchmark, and for most coaches, consultants, and self-publishing experts, they are not the most relevant one.

• A book is not a collection of blog posts. A book takes the reader on a coherent journey from problem to transformation — with a through-line and intentional transitions that a curated set of articles cannot replicate.

• Three factors determine appropriate book length: the framework (each stage becomes a chapter, and the depth required per stage determines the length), the reader's context (a practical guide for a specific problem makes different demands than a theoretical reference), and the book's core promise (the ultimate filter for what belongs).

• Readers do not think about page count when they pick up a book. They think about what they are going to get from it. A focused 150-page book that delivers a clear transformation is more satisfying than a 300-page book that circles the same ideas without landing anywhere specific.

• The Book Anchor Document — specifically the book's core promise — is the most reliable tool for determining what belongs in the book and when the book is done.

Reflection Questions

1. What assumption have you been carrying about how long your book should be — and where did that assumption come from?

2. If you stripped your book down to only the content that directly serves the transformation you promised your specific reader, what would remain?

3. Is your reader someone who needs a practical guide they can implement quickly, or a comprehensive reference they will return to repeatedly? How does that context shape how much depth is genuinely useful?

4. How many stages does your framework have — and does each stage have enough content to justify a full chapter?

5. Is there content in your outline or draft that you included because it felt important to you as the expert, rather than because it serves the reader's transformation?

Prefer to read? The full transcript is below.

Welcome to Authorized, the podcast for experts ready to build authority and thought leadership with their own nonfiction book. I'm your host, Ada Cuaresma. If you're a coach, consultant, or service-based expert looking to build authority in your niche or carrying a book idea but not sure where to begin, well my friend, you're in the right place.

Here we talk about structure, clarity, and authoring the right book so your work can reach more people and make a bigger impact in the process. Enjoy the show and let's get you authorized.

Introduction

At some point in the book writing journey, almost every expert asks the same question.

How long should my book be?

And that's understandable because unlike most things in writing, the length of the book feels like something that should have a clear answer. An actual number, like the word count required on our essays and book reports back in high school.

Most advice regarding book length that is out there usually points to traditional publishing standards, which is the word count that major publishers expect for different genres and categories. And while those standards are worth knowing, they were developed for a publishing context that is quite different from the context that most coaches, consultants, and service-based experts are writing in.

When a first-time novelist needs to hit 80,000 words to be taken seriously by a literary agent, that is one context. But when a thought leader wants to write a book that builds their authority, supports their business, and gives clients a transformational experience, that is a different context altogether. So the question on length deserves a different kind of answer.

So in this episode, I would like to answer the question about book length. Not to give you an actual number, but to talk about it as a strategic decision when you are writing an authority-building non-fiction book.

Length = Credibility?

The first book I ghost-wrote was about a specific health problem for a specific profession.

After nine chapters of the manuscript, it had pretty much covered everything that the practitioners in that field need to know – the anatomy, the health risks and the health problems, exercises for healing and preventing damage, and the do's and don'ts for daily care.

But for some reason, I thought that the book had to have 10 chapters in order to feel “complete”.

So I added a chapter approaching the health problem from a psychological perspective, which ended up introducing an entirely different topic.

When the book came out, my client asked for reviews from the first few readers. Three of them wrote a detailed review which included a chapter-by-chapter breakdown, and their feedback had a unanimous verdict: Chapter 10 felt like it came out of nowhere.

Long story short, I made the erroneous assumption that a longer book meant a credible book. I imagined the book on bookstore shelves and thought that the book spine must be a certain size in order to convey the substance.

The good news is my client was self-publishing, so when the first set of copies sold out, we went back to the manuscript and removed chapter 10.

Now I know that many experts, especially first-time non-fiction book writers, make the same assumption that I did about book length. That assumption comes from a long cultural association between the physical weight of the book and the intellectual weight of its ideas.

And if you're on the same boat, I'd ask you to listen closely.

Think about the books you read that had the most impact on how you work, how you think, or how you see a problem. Were they the longest books that you ever read?

In most cases, they're not.

Some of the most influential business and thought leadership books of the last few decades are relatively short. And it's not because their authors ran out of things to say, but it's because at that length, the book said exactly what needed to be said.

The goal of a nonfiction book is not to demonstrate how much you know, but it is to deliver a specific transformation to a specific reader, and the length of the book should be determined by what that transformation requires and not by how impressive it would look on a shelf.

Traditional Publishing Benchmarks

So let's back up a little bit and understand where the whole conversation about book length even began.

And as I mentioned earlier, it has something to do with traditional publishing.

Traditional publishing has established word count conventions for a reason. Publishers need to estimate printing costs, set retail prices, and position books within established categories. A business book from a major publisher typically falls within a certain range, and agents use that range as a filter when evaluating submissions.

These conventions are worth knowing if traditional publishing is your goal. If you are writing a book with the intention of submitting to literary agents and pursuing a deal with a major publishing house, then you need to understand those expectations.

But if your goal is to build authority, support your business, and give your audience a transformational experience, traditional publishing word counts are not the only benchmark and definitely not the most relevant one.

The rise of self-publishing, hybrid publishing, and independent publishing has created a different set of possibilities. Authors who publish outside the traditional channels are not bound by the same conventions, and many of the most impactful books in the coaching, consulting, and expert space have been published outside of traditional channels precisely because those authors were writing for a specific audience with a specific goal rather than for a general market with commercial expectations.

The Real Goal

I had a conversation previously with a coach who told me that he's been blogging for over a year and has about 50 posts written. He asked me if he could pick the best ones and make it a book.

I politely advised against doing so, and here's why.

A book takes a reader on a transformational journey, meaning it establishes a problem, delivers a solution through layers of explanations and examples, and guides the reader towards a certain goal.

So if stitching together a bunch of articles would do all those things, then fine. But in most cases, a collection of articles lacks the through line and the intentional transitions that take a reader on a coherent journey from problem to transformation.

The depth of the journey and the completeness of the transformation should determine the length of your book.

Three Factors That Determine the Length of Your Book

There are three factors that determine the length of your nonfiction book based on the transformation that it promises.

First is your framework.

In another episode, I talked about how a framework becomes the spine of your book. Each stage of the framework becomes a section or a chapter, and the number of stages in your framework and the depth required to explain each one is the most reliable guide on how long your book needs to be.

A framework with five stages will naturally produce a longer book than a framework with three stages. Neither is better or worse. The important thing is that each stage of the framework is covered in a chapter that includes the explanation, practical guidance, and illustrative examples needed to achieve the goal.

In other words, the book is as long as the framework requires.

That is why building the framework first, in the transform stage of the CATCH Method™, is so important. When the framework is clear, the question on length pretty much answers itself.

And in case you don't know yet, the CATCH Method™ is my proprietary framework for turning your expertise into a structured, authority-building nonfiction book.

I discussed that whole framework in another episode, and you can listen here. Also, here's the link to the episode that I mentioned about frameworks.

The second factor that determines your book length is your reader's context.

Who is your reader, and how are they likely to encounter and use your book?

A book that serves as a practical guide for a very specific problem will demand a different length than a reference book based on deep theoretical grounding. The same is true for a book that is designed to be read on a single sitting, perhaps on a flight or during a dedicated afternoon.

Think about how your reader will engage with the book, not just how they will read it.

That context would shape how much depth is genuinely useful versus how much becomes overwhelming.

The third factor is the book's core promise.

In the first stage of the CATCH Method™, which is clarify, we create a Book Anchor Document. This document includes your book's core promise or the specific transformation you committed to delivering to your specific reader.

This is the ultimate filter when it comes to length. Every chapter, every section, every story and example should be serving that book promise. If there's content that doesn't serve it, just like the 10th chapter in the first book that a ghost wrote, then the book is too long regardless of the word count.

The promise, not the word count target, is the one that tells you what your book needs.

What Readers Care About

Now let's turn the tables for a moment and think about the reader's perspective.

When the reader picks up your book, they're not really thinking about how many pages your book has. They're thinking about what they're going to get from it. The classic “what's in it for me”.

They want to understand something that they have not understood before. They're looking for a path through a problem that they've been stuck on, and they want to feel that the author understands their situation and has something genuinely useful to offer.

None of those things are determined by the length of the book. They are determined by whether or not the book delivers on what it promised.

A reader who finishes a focused, well-structured book of 150 pages and walks away with a clear framework that they can apply immediately would be more satisfied than a reader who finishes a 300-page book that circled around the same ideas without ever landing on anywhere specific.

Keep in mind that your book takes your reader on a journey, and that journey is shaped by how well the book is written, how engaging the ideas are, and how clearly the argument builds, and not by how many words were written.

Get a Head Start

Now here's something you can do after listening to this episode.

Look at where your book project currently stands – whether it's an outline, a draft, or an idea that you're still developing.

Then ask yourself, what is the transformation this book promises to deliver? Write it down in one or two sentences. That becomes your filter.

And then look at what you have or what you're planning to include in the book. Then reflect on each item. Does this serve the transformation for the specific reader that you defined in your book anchor document?

If the answer is yes, then it belongs to the book. If the answer is no or maybe for some readers, it either needs to be rewritten so that it serves the promise more directly, or set aside for a different project.

The book that results from that process will be exactly as long as it needs to be.

Join the Author-ized™ Accelerator

The Author-ized™ Accelerator is my group coaching program that guides coaches, consultants, and service-based experts through the CATCH Method™, from the clarify stage all the way to a completed first draft.

Every decision we make along the way, including how long the book needs to be, is grounded in the framework and the promise instead of arbitrary targets.

If you're ready to build your book with that kind of intentionality, visit gogetauthorized.com to learn more and get in touch.

Conclusion

So with all that being said, how long should your book be?

And the answer: As long as it needs to be to deliver on its promise, and not a word longer.

Now that answer might not sound satisfying if you were hoping for an actual number, but it is the most honest and most useful answer available.

Your framework tells you what belongs, and your promise tells you when you are done.

Trust both and you write the book that your reader actually needs.

Thanks for listening! If this episode resonated, it's because your work deserves authority and the kind of impact that lasts. And if the show helped you in any way, feel free to subscribe, leave a review, or share this with someone who has a book idea but doesn't quite know where to start.

You can connect with me by emailing [email protected]. Framework first, book second, authority that lasts. I'll see you in the next episode.

Join The Author-ized™ Accelerator

The Author-ized™ Accelerator is my group coaching program that guides coaches, consultants, and service-based experts through the CATCH Method™ — from the Clarify stage all the way to a completed first draft. Every decision made along the way — including how long the book needs to be — is grounded in the framework and the promise, not in arbitrary targets.

If you are ready to build your book with that kind of intentionality, visit gogetauthorized.com to learn more and get in touch.