For professionals with a book inside them

Your expertise deserves a book.
We'll help you write it.

First Book ai turns your knowledge, stories, and ideas into a professionally structured nonfiction book — chapter by chapter, in your voice.

Start Your Book — It's Free

No credit card required · Generate your outline free

app.firstbook.ai
First Book ai — chapter writing interface
2,400+ authors trust First Book ai 10,000+ books created 4.2★ on AppSumo (57 reviews)

How It Works

From idea to manuscript
in three steps

01

Share Your Story

Tell us about your expertise, your audience, and the stories only you can tell. Our structured onboarding captures everything — no blank page required.

02

Review Your Outline

We generate an 8-chapter book structure with strategic intent behind every section. Review it, edit it, make it yours — then approve to start writing.

03

Write Chapter by Chapter

Each chapter is written in your voice, woven with your anecdotes. Read it, approve it, or request changes. You stay in control from first page to last.

The Challenge

You have something worth saying.
But who has the time?

You've spent years building expertise. Colleagues ask for your advice. Clients trust your judgment. You know there's a book in you — but between the day job, the family, and the blank page staring back at you, it never gets written.

Ghostwriters cost tens of thousands. Writing courses take months. And AI tools that just "generate text" produce generic content that sounds nothing like you.

First Book ai is different. We don't just generate words — we co-author a real book, structured around your unique knowledge and told in your authentic voice.

What You Get

A complete manuscript you're
proud to put your name on

First Book ai — book overview with chapter progress

Every book gets a cover, structured outline, and chapter-by-chapter progress.

Structured Outline

8 chapters, each with 3 focused subchapters. Strategically sequenced to build your argument and keep readers engaged.

Your Voice, Not AI Voice

We analyze your writing sample and tone preferences to create a style profile. Every chapter sounds like you wrote it.

Chapter-by-Chapter Control

Nothing ships without your approval. Read each chapter, edit inline, request a rewrite, or approve and move on.

Choose Your Depth

Brief overview or deep dive? Select how thorough each chapter should be — from 2,000 to 8,000 words.

AI-Generated Cover

Get a professionally designed cover image — unique to your book's theme and tone. Download in high resolution.

Export Anywhere

Download your finished manuscript as Word, Markdown, or EPUB. Ready for self-publishing, editors, or your bookshelf.

From Our Authors

Loved by 2,400+ authors worldwide

4.2★★★★★onAppSumo(57 reviews)
★★★★★

As someone with ADHD, this app has been a huge help keeping me on track, organizing my thoughts, and making me successful. Highly recommend!

Jeremy Whiteley

@Jeremywhiteley

★★★★★

It brings out what you already have in your mind. It articulates your vision. It is your voice, refined.

13FmyC7777

AppSumo verified purchaser

★★★★★

I've been wanting to write a book for more years than I'd like to admit. First Book ai made everything so much easier — it feels like having a helpful coach right there with you. I was finally able to write the first draft of my very first book.

Connor

@Connector

★★★★★

I wasn't sure how to kick things off. When I found First Book ai, I just knew it would click — and it totally did. No more writer's block. My outline is sparking really thoughtful ideas.

Peter Burns

@PeterBurns

★★★★★

One of the best tools I've purchased. The content is easy and editable. A great way to get things started. I'm a customer for life.

Smeko

AppSumo verified purchaser

★★★★★

I use it to create business books and coaching material. It saves hours. Clean interface, fast output. Ideal for coaches, consultants, and aspiring experts.

no91

AppSumo verified purchaser

★★★★★

You get all the research done and a first draft in record time. I'll be using it to publish a few books for sure.

Jay

AppSumo verified purchaser

★★★★★

First Book made it super simple to start. The first draft shaved years off the process. Perfect if you have ideas but no clue how to structure a book.

Brian

AppSumo verified purchaser

★★★★★

The team is committed to improving. Support has been outstanding. Great transparency about the roadmap and planned improvements.

Alf

AppSumo verified purchaser

Read all 48 verified reviews on AppSumo →

Pricing

Simple, transparent pricing

Buy credits, use them when you're ready. No subscriptions, no surprises. One credit writes one complete book.

1 CREDIT

$29

1 book · Perfect for testing the process

One-time payment
Credits never expire
30-day guarantee
Get Started
Most Popular

5 CREDITS

$69

5 books · Save 53% per book

One-time payment
Credits never expire
30-day guarantee
Get Started

20 CREDITS

$199

20 books · Save 65% per book

One-time payment
Credits never expire
30-day guarantee
Get Started

Secure payment via Stripe · Credits applied instantly · Pay once, access forever

Questions

Frequently asked questions

Three steps. First, you fill out a short questionnaire about your topic, audience, tone, and key ideas. Second, we generate an 8-chapter outline that you can edit and rearrange before approving. Third, we write each chapter in your voice — you review and approve one at a time.

Yes — during onboarding, you provide a writing sample and tone preferences. We build a style profile that captures your voice, sentence patterns, and personality. Every chapter is written to match.

Absolutely. You can edit any chapter inline before approving it. You can also regenerate chapters if you want a different direction, or adjust the depth to control chapter length.

One-click exports to Word (.docx), EPUB, Markdown, and PDF. Ready for self-publishing on Amazon KDP, sharing with editors, or your own bookshelf.

Yes, 100%. You retain full ownership of every manuscript you create. First Book ai claims no rights to your content. Your inputs and drafts are also never used to train AI models.

Yes — many users do. We recommend a plagiarism scan and a human edit first. Amazon may ask if content is AI-generated; be transparent and follow their current guidelines.

Every bundle comes with a 30-day money-back guarantee. Email hello@firstbook.ai within 30 days for a full refund, provided you have generated one book or less.

Your book is waiting.

Start with your idea. We'll take it from there.

Start Your Book — Free

Free to start — generate your outline before buying credits