Latest
How Famous Memoirs Were Really Written: What the Collaborators DidStranger in a Strange LandProfiles in CourageDid I Ever Tell You This?: A MemoirFlorida RoadkillTeam of Teams: New Rules of Engagement for a Complex WorldMy Share of the Task: A MemoirWe Were Soldiers Once… and Young: Ia Drang, the Battle That Changed the War in VietnamThe Columbia Restaurant: Celebrating a Century of History, Culture, and CuisineA Tiger among Us: A Story of Valor in Vietnam’s A Shau ValleyTop Sergeant: The Life and Times of Sergeant Major of the Army William G. BainbridgeSailing True North: Ten Admirals and the Voyage of CharacterPodkayne of MarsMake Your Bed: Little Things That Can Change Your Life…And Maybe the WorldSam Walton: Made in America: My StoryI, RobotOpen: An AutobiographyShattered Sword: The Untold Story of the Battle of MidwayA World at Arms: A Global History of World War IIL.L. Bean: The Making of an American IconA Higher Standard: Leadership Strategies from America’s First Female Four-Star GeneralLife21 Days to Success Through Networking: The Life and Times of Gnik RowtenCampus BattlefieldThe Bell JarRight Wing RevolutionThe Sage of SagittariusTime for a Turning PointDesigning Casinos to Dominate the CompetitionLove’s Executioner and Other Tales of PsychotherapyBeneath a Scarlet SkyThe Library BookThe Phone Book: The Curious History of the Book That Everyone Uses But No One ReadsTrump: The Art of the DealThe MAGA DoctrineThe College ScamSea Stories: My Life in Special OperationsPa’anNetworking Your Way to SuccessMasters of NetworkingRadioSoldier for Life: Leader Lessons from the 12th Sergeant Major of the ArmyThe Melting Point: High Command and War in the 21st CenturyAmerican SoldierIt Doesn’t Take a HeroStop, in the Name of GodDoes Explicit Sex Sell Books? An Answer to The Absolute Degeneracy of Modern WritingThe Mary Sue: How a 1973 Star Trek Parody Became a Writing TermWhat the AI Writing Survey Says About Jobs, Freelancers and Fiction AuthorsHow Long Does Google Take? Crawling, Indexing and Recovery Times
The Writing King Your Ethical Ghostwriter. Your Story, Done Right.

Plagiarism: What It Is, Who Got Caught, and How to Avoid It

TL;DR: A client once handed me what he described as his own writing to use as source material for a book. It turned out to be 120 articles copied from web sources, and he didn’t mention that part. I discovered it after the manuscript was complete, when routine checks revealed large sections matching existing published content almost word for word, and I charged a significant fee to go back through the entire book, research every claim, and properly cite everything. It was expensive, time-consuming, and completely avoidable. Plagiarism isn’t always intentional theft, but the result is the same regardless of intent: if the words or ideas aren’t yours and you don’t credit the source, it’s plagiarism.

Plagiarism works like a counterfeit bill passed into your own wallet.

Sometimes you forge it knowingly. More often someone hands it to you as genuine and you spend it without checking. When it’s caught, the fact that you didn’t print it doesn’t save you. You passed it along. That’s what happened with my 120-article client. He didn’t print the counterfeit. Handing it to me as “his writing” put it into a book with my work on it.

Plagiarism is worse than almost any other failing in this business, because the person it hurts most is the one who did the original work and never gets the credit. It also catches plenty of writers who meant no harm, and the excuse doesn’t deserve a hearing either way. Whether the copying was deliberate or careless, the liability lands on whoever put their name on it.

What really counts as plagiarism?

Most people think plagiarism means copying and pasting someone else’s text, the most obvious form but not the only one. Paraphrasing someone’s work without crediting them is plagiarism. So is changing the sentence structure while keeping the ideas. So is using someone’s concept or argument without acknowledgment. So is submitting your own previously published work as new without disclosing it. That goes by self-plagiarism or double-dipping. So is piecing together passages from several sources into a patchwork that looks original.

Paraphrasing catches people most often. Writers assume that rewording a passage makes it theirs, and I think that assumption does more damage than outright copying, because the people making it believe they’re innocent. If the ideas, data, argument or structure came from someone else, credit the source however much you changed the wording. New sentences don’t change where the thinking started, and the credit belongs to whoever did that thinking.

There’s a growing category worth naming: AI content that accidentally mirrors published work.

AI tools pull from training data that includes copyrighted material, and the output can reproduce phrases or full sentences without flagging them. Publish AI content without checking it against existing sources and you may be publishing plagiarized material without knowing. I cover that risk further in the piece on AI and copyright.

So I boil whatever a client writes down to an outline and write fresh from that. It’s easier for me to write that way, and I don’t want to copy what the client did. If a client used ChatGPT or Gemini, I don’t know where that information came from. The plagiarism question starts there. Back in 2024 I’d have ChatGPT break the text into an outline, and it took 5 to 10 prompts because ChatGPT screws up everything. I use Claude for that now.

When do you really need a citation?

“The Earth revolves around the Sun” needs no citation. The specific orbital mechanics, the rotational speed, or any data from a particular study does. The dividing line is whether the information is widely known and undisputed or comes from a specific source. What qualifies as common knowledge also varies by field, so a detailed understanding of Shakespeare’s plays is common knowledge for an English professor but not for an engineer.

When you’re unsure, cite the source, because no one has ever been criticized for citing too much, while people have destroyed careers by citing too little.

Linking, notably, is the opposite of plagiarism. A link points readers to the original work and gives the creator credit and visibility. It also helps your credibility, because it shows you did the research and are open about where the information came from. The original creator gets traffic. Search engines treat outbound links to reputable sources as a quality signal, so proper linking helps your rankings instead of hurting them.

Which famous people got caught plagiarizing?

Plagiarism isn’t limited to students and amateurs. Some of the most prominent figures in journalism, literature, politics, and academia have been caught, and consequences followed every one. Jayson Blair fabricated and plagiarized stories at The New York Times, ending his journalism career and triggering one of the paper’s biggest credibility crises. Stephen Ambrose, among the most celebrated historians of his generation, faced plagiarism accusations over The Wild Blue that permanently damaged his reputation.

Doris Kearns Goodwin, a Pulitzer winner, was found to have used unattributed sentences in The Fitzgeralds and the Kennedys and had to publicly acknowledge the errors.

Jonah Lehrer fabricated quotes and plagiarized in his book Imagine. His publisher pulled it from shelves entirely. Alex Haley, author of Roots, was sued for plagiarism and settled out of court, casting a permanent shadow over a landmark of American literature.

The list runs on. Mike Barnicle resigned from The Boston Globe after accusations of both fabrication and plagiarism. Joe Biden faced plagiarism allegations during his 1987 presidential campaign for failing to attribute a British politician’s words during a debate. That temporarily derailed his campaign. Fareed Zakaria was suspended from Time after plagiarizing sections of a column. Jane Goodall had passages in Seeds of Hope traced to uncredited sources, which she attributed to chaotic notetaking.

Shia LaBeouf plagiarized a graphic novel for a short film and went through a prolonged public apology cycle.

Every one of these people had an established career and reputation, and every one suffered real consequences. I don’t have much sympathy for them, since they had the resources and the staff to check and didn’t. The reputational damage from plagiarism is permanent in a way few other professional failures are, because it calls into question everything you’ve ever written.

Why can’t a ghostwriter afford plagiarism at all?

For ghostwriters, plagiarism is career-ending as well as unethical. Clients hire ghostwriters to produce original content. The whole business relationship rests on the assumption that what the ghostwriter delivers is their own work, written for that client. A ghostwriter caught plagiarizing loses that client and their professional reputation.

The projects compound the risk. Many involve high-profile clients whose books get real public attention. If plagiarism surfaces, the credited author takes the public humiliation for words they never wrote, and I think that’s the cruelest part of it: the ghostwriter cut the corner and the client’s name is the one in the headlines. In a profession built on referrals and reputation, the ghostwriter’s career goes down with it.

My client with the 120 copied articles didn’t set out to compromise me. He was my very first ghostwriting client. He told me he’d already written the material, and I was too naive to question it, so I reviewed it and fixed a few things. He hadn’t kept the originals, so I had to hunt down every source myself to cite it, and it was horrible.

He didn’t understand that handing me other people’s work as “his writing” created a plagiarism risk for the finished book. That’s why I check everything: every fact, every claim, every passage that sounds like it came from somewhere else. The cost of checking is always less than the cost of publishing plagiarized content.

This is one reason ghostwriting done right is fully legal and ethical: the professional obligation to originality is the job.

How do you keep your own writing free of plagiarism?

Five habits, and they compound. Use plagiarism-detection tools. Turnitin and Grammarly both check content against published material. Run your work through them before publishing, especially if you used research sources or received content from clients. Cite everything that’s not common knowledge or your own original thought. When in doubt, cite it. Fields use different styles, APA, MLA, Chicago, and the principle is the same: tell the reader where the information came from.

Keep detailed notes during research. The most common cause of accidental plagiarism is losing track of which ideas came from which sources. I tell writers to record the source the moment they save a note, because rebuilding that trail after the fact is miserable work and it’s almost never complete.

The last two habits are about you instead of your tools. Develop your own voice. The stronger and more distinctive it is, the less likely you’re to mirror someone else’s work by accident. Writers who lean on sources for content and style both run a higher risk than writers who take facts from sources and put them in their own language.

And verify any source material a client or collaborator hands you. My 120-article experience taught me you can’t assume it’s original. Check it the same way you’d check your own research. The liability for publishing plagiarized content doesn’t disappear because someone else supplied it. For more, see copyright law for writers and understanding copyright.

My 120-article experience taught me you can’t assume it’s original.
Share on X

The copyright and legal hub covers the rest, and if you want a book researched, written, and verified clean from the first word, that’s the work I do.

Plagiarism is theft, and calling it sloppiness or confusion about the rules is a dodge. The writers whose words got lifted don’t get their credit back when the plagiarist apologizes, and the readers who trusted the book don’t get their money back either. Check what you publish, check what people hand you, and put your name only on work you know is clean.

Frequently Asked Questions

What counts as plagiarism in book writing?
Plagiarism is presenting someone else’s words or ideas as your own without attribution. It ranges from copying passages verbatim to lightly rewording another author’s work to using research and ideas without credit. Even unintentional copying, from notes or memory, counts. The test is whether the material originated with someone else and is being passed off as original.
How can I make sure my writing is original?
Write from your own knowledge and voice, cite sources when you draw on others’ work, and keep careful notes that distinguish your words from quotes. Running a manuscript through plagiarism-detection tools before publishing catches accidental overlaps. When in doubt, rewrite in your own words and attribute the source. That protects both your integrity and your legal standing.
What happens if plagiarism is found in a published book?
The consequences are serious: reputational damage, legal liability, removal from retailers, and lasting harm to an author’s credibility. For ghostwritten work, undisclosed copying by a client can blow up an entire project, as in the case that opens this article. It’s far cheaper to ensure originality up front than to fix a plagiarized manuscript after the fact.
Is paraphrasing without a citation still plagiarism?
Yes. This is the form that catches people most often. Writers assume that rewording a passage makes it their own, but if the ideas, data, argument, or structure came from someone else, the source still needs crediting regardless of how much the wording changed. The test isn’t whether the sentences match, but whether the intellectual content originated with you.
Is linking to a source a form of plagiarism?
No, it’s the opposite. Linking points readers to the original work, giving the creator credit, visibility, and traffic, and it signals to readers that you did your research. Search engines treat outbound links to reputable sources as a quality signal, so proper linking can improve your rankings instead of hurting them.
Can AI-generated content be plagiarism?
Yes, sometimes without you knowing. AI tools draw on training data that includes copyrighted material, and the output can closely replicate phrases or full sentences from those sources without flagging them. If you publish AI-generated content without checking it against existing work, you may be publishing plagiarized material unintentionally, so verify it before publishing.
What should I do if my ghostwriter plagiarized my book?
Stop publication first, then run the manuscript through a plagiarism checker so you know exactly which passages match and where they came from. Put the evidence in writing to the ghostwriter and demand a rewrite of every copied section, because your name is on the cover and the liability follows your name. Look for an originality warranty in your contract and have a lawyer read it before you decide whether to pay anything more. I’d walk away from any writer who did it once, since copying is a habit and never an accident of one chapter.

About the Author
Richard Lowe, professional ghostwriter

Richard Lowe is a professional ghostwriter and author with 113+ books authored and 54+ ghostwritten. Before writing full time he spent 33 years in enterprise technology, including 20 years as Director of Computer Operations and Technical Services at Trader Joe's. He writes nonfiction, fiction and memoir, and works with executives and experts on books that build authority.

More about Richard Lowe →

Disclaimer

The views and opinions expressed in this blog post are solely those of Richard Lowe and are based on personal experience and research. This content is for informational purposes only and should not be construed as professional legal, financial, accounting, or business advice. Always consult with qualified professionals before making important business or legal decisions. Richard Lowe is not a lawyer, accountant, or licensed professional advisor, and this content does not establish any professional relationship.

15 comments
Was this useful?

Leave a comment