Do You Really Own Your Book? The Truth About 100% Royalties, ISBN Ownership & Publishing Rights Before You Sign With a Book Publishing Company (2026–2027)

By Isabella Watson
Author reviewing a publishing contract with questions about 100% royalties, ISBN ownership, and publishing rights.

The Contract Question Most Authors Ask Too Late

Picture this. A retired nurse in Ohio pays a book publishing company $4,000 for a full package of book publishing services. Eighteen months later, her memoir is live on Amazon, and the sales page looks great. Then she asks a simple question: “Can I lower my ebook price for Mother’s Day?”
The answer is no.
The book sits in the company’s Amazon account. The ISBN is registered to the company. Her royalties arrive as a quarterly “statement” she has no way to verify. And the contract she signed gives the company exclusive distribution rights for seven years.
She owns the copyright. She just doesn’t control her book.
If you’ve typed “publish my book” into Google lately, you’ve seen a wall of “100% royalties” and “keep all your rights” promises. Some are honest. Some are technically true and practically misleading. This guide shows you how to tell the difference before you sign.

Quick Answer

“100% royalties” means the author keeps 100% of the net royalties left after the retailer takes its share and printing costs are deducted. It does not mean 100% of the book’s list price. True ownership also requires three things: the ISBN registered in your name, the book on your own publishing account, and the copyright held by you.

What “100% Royalties” Actually Means (The Math)

“100% royalties” means you receive the entire royalty the retailer pays out, not the entire cover price. No author anywhere earns the full list price on a retail sale. Amazon, Barnes & Noble and every other bookstore take their share first. The real question is what happens to the money after that.

The path one sale takes

  • List price: what the reader pays.
  • Retailer share: what Amazon or another store keeps.
  • Printing cost: deducted on every print-on-demand copy.
  • Net royalty: what the platform pays out.
  • Publisher’s cut: zero in a true 100% model; a percentage everywhere else.

Current Amazon KDP royalty rates (2026)

Ebooks: Since July 7, 2026, the 70% royalty option on Amazon.com applies to ebooks priced from $2.99 to $12.99, up from the old $9.99 ceiling. Outside that range, you earn 35%. The 70% option also carries a delivery fee of $0.15 per MB.

Paperbacks and hardcovers: On Amazon.com, print books priced at $9.98 or less earn a 50% royalty rate, and books at $9.99 or more earn 60%, with printing cost subtracted after. Paperback Expanded Distribution pays 40% minus printing costs.

Amazon changes these rates periodically, so check KDP’s help pages before setting any price.

Worked example: the same book under three business models

Assumptions: a 250-page black-and-white 6×9 paperback at $14.99 (printing cost about $4.00) and a $4.99 ebook (about 2 MB) sold on Amazon.com. Figures are rounded estimates.

Per-sale earnings

Traditional publisherService company that keeps a share of royalties (illustrative 50%)100% net royalties, book on the author’s own account
$14.99 paperback~$1.12 (7.5% of list)~$2.50~$4.99
$4.99 ebook~$0.87 (25% of publisher’s net)~$1.64~$3.28
Upfront cost to authorNone (you may get an advance)Package feeService fee
Who sets the pricePublisherCompanyYou
Traditional publishing can still be the right choice. You pay nothing upfront, and an advance is money you keep even if the book underperforms. But per copy, the gap is real.

The insight most companies blur: “0% commission” vs. “100% royalties”

These sound the same. They aren’t.
“0% commission” means the company doesn’t take a percentage. It says nothing about whose account the book is on or whether printing costs are marked up.
“100% royalties” can be calculated after a marked-up print cost or a “distribution fee,” which quietly shrinks the “net.”
Some offers even attach conditions. Publishing watchdog Angela Hoy has warned about offers that promise 100% royalties only after the first 100 copies, paying the author nothing on those early sales.
The fix is simple: ask for the royalty calculation in writing, line by line, using a real price.

ISBN Ownership: The Most Misunderstood Part of Publishing

Whoever registers the ISBN is the publisher of record. That name appears in the databases that bookstores, libraries, and distributors use. It decides who can move, update, or re-release that edition.

How ISBNs work in the USA

Bowker is the only company authorized to manage the ISBN program in the US, and you buy through myidentifiers.com. A single ISBN costs $125, a block of 10 costs $295, and 100 cost $575.
Each format of your book needs its own ISBN, while ebooks are optional on KDP. A paperback, hardcover, and audiobook means three ISBNs, which is why the 10-pack is usually the smart buy.
If you use KDP’s free ISBN, your imprint appears as “Independently published”, and free KDP ISBNs cannot be used to publish outside of KDP.
A new trim size requires a new ISBN, but a cover redesign, a price change, a new printer or distributor, and minor typo fixes do not.

Why a company-owned ISBN matters when you want to leave

If your book carries the company’s ISBN and you part ways, you can’t take that edition with you. You’ll need a new ISBN, which creates a new edition and a new product record. Amazon often links editions, but your sales rank history, and sometimes your reviews, may not follow cleanly. For a book that took years to build momentum, that’s a real cost.

Free ISBN vs. Company ISBN vs. Your Own ISBN

Free platform ISBN (e.g., KDP)Company’s ISBNYour own Bowker ISBN
Publisher of record“Independently published”The companyYou or your imprint
PortabilityLocked to that platformLocked to that companyUse anywhere
Control over metadataLimitedCompany controlsYou control
Cost$0Usually bundled$125 single / $295 for 10
Best forAmazon-only test launchesLegitimate hybrid deals with clear exit termsAuthors building a long-term catalog
A company ISBN isn’t automatically a red flag. Reputable hybrid publishers often use their own imprint. What matters is whether your contract lets you leave cleanly.

Whose Account Is Your Book On? (KDP, IngramSpark, Barnes & Noble Press)

The account your book is uploaded to decides who actually controls it. This is the question almost no publishing website talks about, and it matters more than the royalty percentage.
When you publish your book online through KDP, IngramSpark or Barnes & Noble Press, the platform pays the account holder, and it reports that income to the account holder. If that’s the company and not you:
  • You can’t change your price without asking and waiting.
  • You can’t see real-time sales data. You see whatever report the company sends.
  • You can’t run promotions like Kindle Countdown Deals on your own schedule.
  • Your money passes through someone else first.
  • If the company shuts down, your book can disappear with it, or get stuck in an account nobody can reach.

What a healthy setup looks like

  • You create your own KDP and IngramSpark accounts, in your name, with your tax and bank details.
  • The publishing team guides the upload with you, or you grant temporary access.
  • Once the book is live, you change your password.
A good book publisher in the USA will set things up this way by default. If a company says it “needs” to keep your book in its account, ask why, and get the answer in writing.

Contract Clauses That Decide Who Really Owns Your Book

Six to ten clauses decide whether you own your book or just wrote it. Use this as a pre-signing checklist.
ClauseWhat a fair version saysRed flag
Rights grantedNon-exclusive, limited to the services you paid for“All rights, all formats, worldwide”
Term and terminationYou can exit with 30–90 days’ written noticeFixed multi-year lock with no exit
Rights reversionRights return to you automatically, defined by a sales threshold“In print” means merely “available for order”
Out-of-printDefined by real sales over a set periodPrint-on-demand books never go out of print
Royalty reportingDirect dashboard access, or monthly reports with raw dataQuarterly summaries only, no audit right
File ownershipYou receive the final print PDF, EPUB, and editable cover and interior source filesFiles “remain property of the company”
Account and ISBNBook on your account, ISBN in your name or imprintCompany account, company ISBN, no transfer clause
Print and author-copy pricingAuthor copies at cost or a disclosed markupUndisclosed markup on every copy
AssignmentContract can’t be sold to another company without your consentSilent on what happens if the company is sold
Bring this table to every sales call. A trustworthy team will answer every row without hesitation.

Traditional vs. Hybrid vs. Self-Publishing vs. Book Publishing Agency: Ownership Compared

Before you decide how to publish a book, see how the main paths compare on ownership.
Traditional publisherHybrid publisherDIY self-publishingBook publishing agency / service company
Royalty to author~10–15% of list (hardcover), lower for paperback; ~25% of net for ebooksHigher than traditional; varies100% of platform netRanges from 100% of net to a split, depending on the company
ISBN ownerPublisherUsually the publisher’s imprintYouVaries, so ask
RightsPublisher holds most rights for a long termDefined by contractAll yoursShould be all yours
Upfront costNoneAuthor pays a shareYour time plus freelancersPackage or service fee
ControlLowModerateFullShould be full
One distinction trips up a lot of authors. A literary agent pitches your manuscript to traditional publishers and is paid a commission (typically 15% domestically) only when you’re paid. A book publishing agency or service company is paid by you to produce and distribute the book. Both are legitimate. They just aren’t the same thing.
On hybrids, the Independent Book Publishers Association first issued its Hybrid Publisher Criteria in 2018 and revised them in 2022, and reputable hybrids should meet all 11 points.

Red Flags in “100% Royalties” Offers

Not every poorly rated company is a scam. But these patterns deserve a hard pause:
  • “100% royalties” with no written definition of “net”
  • 100% royalties that only begin after a set number of copies
  • Your book goes into the company’s account, not yours
  • No clause giving you your source files
  • A long exclusive term with no way out
  • “Today only” discounts that pressure you to sign
  • Marketing add-ons with no measurable deliverables
Check before you pay. Search the company on Writer Beware, run by the Science Fiction & Fantasy Writers Association. Look it up in the ALLi ratings: ALLi’s Watchdog Desk has evaluated more than 1,700 publishing-related services, and its directory is free to search. If a company calls itself “hybrid,” hold it to the IBPA criteria.

What to Look For in the Best Book Publishing Companies for 2026–2027

Most “best publishing companies” lists rank by price or package size. Rank by ownership instead. The best book publishing companies for 2026–2027 will say yes to all of these:
  • Your book goes on your KDP, IngramSpark, and B&N Press accounts.
  • The ISBN is registered to you or your imprint.
  • You keep 100% of net royalties, with the math shown in writing.
  • You receive all final and source files.
  • You can leave with reasonable notice.
  • They name your editor, designer, and project lead before you pay.
Whether you’re looking for book publishing in California, New York, or anywhere in the USA, these criteria don’t change. A local office is nice to have. Clean ownership is non-negotiable.

How Berg Publishers approaches ownership

At Berg Publishers, we built our book publishing services around one question: if we disappeared tomorrow, would our authors lose anything? The answer should always be no. So we publish to your accounts, register ISBNs in your name, hand over every file, show the royalty math before you sign, and keep contracts non-exclusive. You hire us for the work, not for your rights.

Not Sure What You Signed? Let’s Look at It Together.

If you already have a publishing contract, or one waiting for your signature, send it to us for a Free Contract & Ownership Review. We’ll walk through your royalties, ISBN, account setup, and rights clauses, then tell you plainly where you stand, even if the answer is that your current publisher is a good fit.

FAQs

1. Can a publisher take my royalties if I own the ISBN?

Yes, if the book is on their account. The ISBN identifies who published the book, but the platform pays whoever holds the account. To keep your royalties, you need both: your own ISBN and your own account.

2. Is “100% royalties” a scam?

No, not by itself. It’s legitimate when it means 100% of the platform’s net royalty, paid directly to you. It becomes misleading when “net” is reduced by hidden markups, delayed until a sales threshold, or paid through the company’s account.

3. Can I move my book from one publishing company to another?

Usually yes, but how easily depends on your contract and ISBN. If you own the ISBN, have your files and the book is on your account, moving is simple. If the company owns the ISBN, you’ll likely need a new ISBN and a new edition.

4. Do I need my own ISBN to publish on Amazon?

No. Kindle ebooks don’t need one, and KDP offers free ISBNs for print. But a free KDP ISBN lists “Independently published” as your imprint and only works on Amazon. If you plan to sell in bookstores or libraries, buy your own.

5. What happens to my book if my publishing company shuts down?

If the book is on your account with your ISBN and files, almost nothing changes. Your book stays live and your royalties keep coming. If it’s on the company’s account, you may lose access to sales, pricing and the listing itself. That’s why account ownership matters most.

Author Bio:

Isabella Watson is a professional content specialist focused on book publishing and author services. She writes and reviews technical and informative content to help aspiring and seasoned authors navigate the professional publishing process. Her work focuses on quality, trust, and hassle-free creative writing.

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Book Publishing Services: Do You Really Own Your Book?