For KDP publishers and Etsy sellers who already publish

Your catalogue is coloring books, planners, word searches. Every one of them lands next to ten thousand lookalikes — and nobody reads them cover to cover.

Pick any corner of life.Publish the kind of book people can't read quietly.

Octopuses. Ancient Rome. The deep sea. Victorian medicine. The town your buyer grew up in. Paste 300 strange-but-true facts and Fact Book Studio builds the whole paperback for you — designed interior, full-wrap cover with the spine already calculated, and your KDP listing sheet filled in. No writing. No design software. No formatter to hire.

A paperback of facts like these has held Amazon’s #1 Best Seller badge since 2017 — 9,500+ ratings, 4.6 stars. Search "True Facts That Sound Like Bull$#*t" and see for yourself.

✕ No Manuscript. ✕ No Design Skills. ✕ No Formatter To Hire. And ✕ No Monthly Fee

Every cover here was made inside Fact Book Studio — art, interior and listing sheet included. Drag the shelf to browse.

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A note on why this exists

If you publish on KDP, you already know the quiet part. You can research a niche. You can write — or assemble — five hundred good lines in an afternoon. The part that stops you is the part nobody talks about at conferences: turning that text into pages a stranger would pay for.

I hit it myself. I had the list. Then I found out what the options actually were: pay a freelance formatter $100–$150 per book and wait five days, lose a full day per title to InDesign, or buy a $250 formatter app built for novels that treats five hundred separate facts like one long paragraph.

I did the maths on running that five times and the numbers were absurd. That is when it clicked: the facts were never the moat. The design was. The fact books at the top of the charts are not better researched than yours. They are better built, because a publisher paid a design team to build them.

So I built that one missing piece and nothing else. Fact Book Studio will not pick your niche. It will not upload to Amazon for you. It will not promise you sales — no honest tool can. It takes a list and returns a designed, print-ready book. That is the whole promise. If that is the kind of help you were actually looking for, keep reading.

— Thu Thao, maker of Fact Book Studio

Check it yourself

The format is already proven — go and look

Don't take my word for any of it. Open Amazon and search "fun facts book" yourself — this is what comes back.

Amazon search results for fact books: Best Seller badges, 4.5-4.7 star ratings, thousands of reviews

Best Seller badges. 4.5–4.7 stars. Review counts in the thousands — one of them past 16,000. Every one of these is a paperback of one-line facts. No plot. No chapters anyone has to read in order.

Now open one of them. "True Facts That Sound Like Bull$#*t" by Shane Carley went on sale in April 2017:

Amazon listing: #1 Best Seller badge, 4.6 stars, 9,543 ratings, published April 2017

That is the whole engine. This format sells because every page hands the reader something they cannot wait to say out loud — and because it is designed well enough that a stranger trusts it in the Look Inside. The demand was never in question. The bottleneck between you and it has always been the second half of that sentence.

The fork in the road

Two ways to get a designed book

The old way

  • Pay a formatter $100–$150 per book and wait five days for the files
  • Fight InDesign or Canva for a full day, per title
  • Buy a $250 formatter app that treats your list like a novel
  • Guess at the spine width and hope the cover passes review
  • Write the listing sheet from a blank page, every time
  • Do all of it again for the next book

The Fact Book Studio way

  • Paste the list you already have
  • Pick a trim size — the book lays itself out
  • Flip through it on screen before you commit to anything
  • Spine width calculated from your final page count
  • Listing sheet written for you: title, 7 keywords, 2 categories, blurb
  • The tenth book takes no longer than the first
How it works

From a text file to an upload-ready book in four steps

1
Step one

Paste your list

One fact per line, separated by blank lines, or a numbered list copied straight out of ChatGPT — all three are read correctly. No file to format first. Minimum 10 items.
2
Step two

Pick a size — the book builds itself

Choose 5×8, 5.5×8.5 or 6×9 and the whole interior rebuilds: chapter openers on right-hand pages, rotating fact treatments, call-out boxes, milestone cards, front and back matter.
3
Step three

Flip through it like a paperback

A real page-turning preview of the actual export — not a mockup. See what a buyer sees in Look Inside before you spend anything on a proof copy.
4
Step four

Export and upload

interior.pdf, cover.pdf and metadata.txt. Margins, bleed, gutter and spine are set to KDP's own specification, and the app blocks an export that would be rejected — a book under 24 pages, for instance.

Why these books read as edited, not generated

  1. Rhythm a buyer can feel. Three fact treatments rotate so no two spreads match, call-out boxes break the grid, and a full-page milestone card lands every tenth entry — the pacing of a book that had an editor.
  2. Structure where an editor would put it. Chapter openers fall on right-hand pages, exactly where print convention says they belong. Buyers can't name it; they can absolutely feel it in "Look Inside".
  3. Files that pass the gate. The exporter refuses to produce a PDF that breaks KDP's published specs. If it exports, it uploads.
What's inside

Everything in the app — yours for one payment

▤
The fact-book design system
Dark chapter openers, three rotating fact treatments, call-out boxes and milestone cards — the full look of a designed trivia book, not a text file with page numbers.
⇆
Three trim sizes
5×8, 5.5×8.5 and 6×9. Change it and the entire book re-lays itself — margins, gutter and page count follow.
▢
Full-wrap cover builder
Back cover, spine and front in one PDF, with the spine width calculated from your real page count and paper stock. Six colour palettes.
✎
The listing sheet
Title, subtitle, 7 keywords, 2 categories and a back-cover blurb — the exact fields KDP asks for, written for the book you just built.
▣
Three products from one list
The same facts laid out as a fact book, a poster book or a card deck. One afternoon of research, three listings.
★
5 starter content packs
A fact book, a journal, a deep-sea title and more — so you can build a complete book tonight, before you write a single line of your own.
⚙
AI fact drafting, built in
Type a topic and the app drafts your facts — about 2,500 of them included, no other account or API key needed. After that, paste a list from any free AI tool and keep going: the layout engine itself is never metered.
✓
KDP pre-flight checks
The app refuses to export a book KDP would reject, and tells you why, before you have wasted a review cycle.
Three interiors, one licence

One list. Three different products.

These are not three ways to decorate the same book. A fact book, a gift book and a trivia deck sell to three different buyers, at three different prices, on three different shelves — from one list you only research once. Every page below is a real page from a real export of one 116-fact list, not a mock-up.

A poster-style interior page: one fact set in very large type across an otherwise empty page
PosterGift shelf One fact to a page, set large. The book people pick up at a till.
Also the fix for short lists: 40 facts is too few for a fact book — as a poster book it prints at 56 pages.
A card-deck interior page: four dashed-border cards, each with a numbered disc and one fact
Card deckA different category Four cut-out cards to a page. Still a paperback KDP prints normally — but it sells as a game, not a book. 116 facts → 44 pages.
The classic fact-book interior: numbered facts with every third set in a solid black bar
Fact bookThe classic Numbered facts, a solid bar every third entry, a full-page milestone card every tenth. The look the format is known for.

All three are included at $17. Switching is one click in the Design tab — the book rebuilds itself, and your list is never touched. Five further designs — Casebook, Journal, Almanac, Broadsheet and Encyclopedia — come with the optional Design Pack upgrade, offered after checkout. You never need them to publish.

One-time price: $17 — unlimited books, no monthly fee

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Built with the app itself

Every one of these was laid out
from a pasted list

Not mockups — real books built in Fact Book Studio: cover art, designed interior and metadata. Buyers get these five as starter templates inside the app, ready to open and make their own.

The honest maths

$17 once vs. what a designed book costs today

Your real competition is not another app — it is what a designed book already costs you. And because every new title needs the same work again, most options charge you per book, forever.

Freelance formatter — 3–5 day turnaround$100–$150 per book
Formatter apps built for novels — treat a list like prose$250 once + your time
InDesign or Canva by handsubscription + a day per title
Fact Book Studio — unlimited books, no subscription$17 once

Do the catalogue maths. At three books the freelance route is $300–$450. Fact Book Studio is $17 total — and the third book takes no longer than the first.

Get started today

Here's everything you get — one payment, yours to keep

Fact Book Studio — browser-based, unlimited books, no per-book counter$147
Three interior designs — fact book, poster, card deck — each in 3 KDP trim sizes$67
Full-wrap cover builder with the spine calculated from your page count$47
Listing sheet: title, subtitle, 7 keywords, 2 categories, blurb$37
5 starter content packs — build one tonight before you write anything$27
AI fact drafting built in — about 2,500 facts, no other account needed$27
Free updates, and an email address a person answers$19
Total real-world value$371
That’s $371 of real-world value
Yours today for just
$17
one payment · unlimited books · no subscription, ever

Buy Fact Book Studio →

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So why is it only $17?

Two honest reasons, neither of them a trick. First: the layout engine runs on your computer, not on my server. A book you build costs me nothing, which is exactly why there is no per-book fee and no monthly bill. Second: it is priced against what you are already losing. One freelance formatting job costs six times this entire app. At $17 the decision stops being a budget question and becomes a five-minute one.

Click the button — your account is created the moment you pay, your login arrives by email, and you can be flipping through your first finished book in the next ten minutes.

What it works on — and what it does not

yes, we really do tell you what it can’t do

The one-line test: if your content is a numbered list where every item stands on its own, Fact Book Studio will lay it out. If it has to be read in order from page one, it will not.

Straight answer

Who this is for — and who it isn't

It's for you if

  • You already publish on KDP and want a second format that is not another low-content book
  • You can assemble a list of 100–500 facts, or want the app to draft one for you
  • You have looked at what a formatter charges and decided it kills the maths
  • You want to see the finished pages before you spend anything on a proof copy
  • You would rather pay once than rent a tool by the month

It's not for you if

  • You want a novel, a memoir, or anything with continuous prose — this lays out lists, and only lists
  • You want colour interiors; the inside pages are black and white, deliberately, to keep KDP print costs low
  • You want the tool to pick your niche and upload for you — it does neither
  • You are looking for a guarantee of sales. Nobody can honestly sell you that.
Before you buy

Questions people actually ask

Do I need to write the facts myself?
No. You can paste a list you already have, load one of the 5 starter packs, or let the app draft one for you — about 2,500 facts included, no other account or API key needed. And the layout engine itself is never metered: it keeps building books long after that.
What happens when the AI credits run out?
Nothing stops. The layout engine has no counter and never had one — you keep building books forever on the one payment. Credits only apply to the optional fact-drafting assistant inside the app. And you are never stuck for facts. ChatGPT, Gemini and Claude all have free tiers that will write you a list in seconds, and the Studio reads a numbered list copied straight out of any of them — exactly as it comes, no reformatting. Here is a prompt that works: Write 120 surprising-but-true facts about octopuses. Number every fact. One fact per line. Each fact must be a single sentence, under 200 characters, and verifiable. No introduction, no commentary — just the numbered list. Swap “octopuses” for any corner of life you like — Ancient Rome, deep-sea creatures, your own town. Paste the result into the Studio and the book builds itself the same way.
Is this an "AI book writer"?
No, and that is the point. Plenty of tools hand you text and leave you the hard part. This is the hard part: the design step, done in one click.
Will the files pass KDP review?
Margins, bleed, gutter and spine are built to KDP's published specification, and the app refuses to export a book that would be rejected — under 24 pages, for example — and tells you why. It cannot promise a reviewer's decision, but it removes the failures that are yours to control.
Do I need to install anything?
No. It runs in your browser on Windows, macOS or ChromeOS. The layout engine runs on your own computer, which is why there is no per-book fee — and why your book files never leave your machine.
Is this a subscription?
No. One payment of $17 for the app and unlimited layouts. No monthly bill, no per-book counter, ever.
What is the refund policy?
Always refunded: not receiving what you paid for. If the login email does not arrive or the account does not open, email thuthao07082002@gmail.com and we fix it, or refund you in full. Not refundable: changing your mind, or not liking the books you make. We say that up front so nothing here is a surprise later.

A list of facts is not a book.
It is one paste away from being one.

You already have the account, the keywords and the instinct for what sells. The only thing standing between your list and a paperback on Amazon is the design step — and that is the one thing this does.

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