Book In A Day Review: Can You Really Publish a Book in Just 24 Hours?

The idea of writing a book may sound daunting—days, weeks, or even months of research, writing, editing, and formatting. But what if you could skip all of that and publish a book in just one day?

That’s exactly what Book In A Day promises. Using AI-powered tools, templates, and automated processes, it claims to help you go from concept to published book in under 24 hours.

Is that too good to be true? Or is this the breakthrough tool for aspiring authors, entrepreneurs, and content creators?

Here’s our detailed Book In A Day review, covering everything from how it works to who it’s best for, its pros, cons, pricing, and FAQs.

What Is Book In A Day?

Book In A Day is an all-in-one platform designed to help users quickly generate, format, and publish ebooks or physical books using AI. It combines writing assistance, pre-built layouts, title generation, chapter structuring, and formatting tools into one user-friendly interface.

Its mission is simple: help anyone become a published author—fast.

Whether you're trying to build authority, grow a passive income stream, or publish educational content, this tool makes it incredibly easy for beginners and non-writers alike.

Key Features of Book In A Day

Here’s what makes the platform stand out:

AI Writing Engine – Generates full-length book content from a single keyword or topic.

Auto Chapter Creator – Instantly builds chapter outlines and structures your book.

Title & Subtitle Generator – Get compelling book titles that sell.

Professional Formatting – Automatic layout styling for Kindle, ePub, and PDF formats.

Cover Design Templates – Choose from pre-made book cover designs or upload your own.

Built-in Publishing Guidance – Step-by-step help for Kindle Direct Publishing (KDP).

Export in Multiple Formats – Easily download your finished book for any platform.

How Does It Work?

Pick a Niche or Topic – Enter your keyword or subject (e.g., productivity, fitness, parenting).

Let AI Build the Book – The system generates chapters and fills in content automatically.

Customize & Edit – Personalize the tone, add your voice, or tweak sections.

Choose a Cover – Pick from templates or design your own.

Format & Export – The tool automatically prepares your book for Kindle, PDF, or print.

Publish – Use the included guide to upload to Amazon or any self-publishing platform.

Who Should Use Book In A Day?

Aspiring authors looking for a shortcut to their first publication

Entrepreneurs building authority with a branded book

Coaches and course creators bundling info into ebooks

Affiliate marketers creating lead magnets

Freelancers and agencies producing books for clients

Passive income seekers building a KDP publishing business

Pros and Cons

Pros:

Extremely fast content creation

Beginner-friendly with step-by-step guidance

Great for building a publishing side hustle

Saves hundreds of hours in writing and editing

Supports Kindle and print publishing formats

No tech skills or writing background needed

Cons:

Content may require light editing for tone and accuracy

Not ideal for advanced fiction or storytelling

AI-generated content may feel generic without customization

Limited creative control compared to manual writing

Pricing Overview

The pricing may vary during promotions or special launches, but here’s a typical breakdown:

Front-End Price: $19–$27 one-time fee

Upsells: Commercial license, additional templates, premium AI content, coaching

Money-Back Guarantee: Usually 30 days

For a single low fee, users can access the core system and start publishing books immediately.

Is Book In A Day Legit?

Yes, Book In A Day is a legit platform that helps users quickly produce and publish books. While it’s not a magic bullet for creating literary masterpieces, it is a powerful productivity tool for marketers, entrepreneurs, and anyone looking to enter the publishing world without the usual time commitment.

For non-fiction topics, how-to guides, workbooks, and list-style books, this tool is incredibly efficient and can genuinely help users generate income or build credibility.

Final Verdict

If you’ve always wanted to publish a book but felt overwhelmed, Book In A Day makes it possible—even easy. It's perfect for non-fiction, self-help, marketing books, or niche guides that don’t require complex plots or storytelling.

With the rise of Kindle publishing, lead magnets, and personal branding, having a published book is a major asset—and now, it doesn’t have to take months.