What is ghostwriting, and how does it work?
Writing published under someone else's name, with the writer's involvement concealed or minimised by agreement. It is extremely common, entirely legal, and covers a far wider range of work than the celebrity memoir it is associated with.
Where it is used: memoirs and autobiographies by people who are not writers; business and thought-leadership books; speeches, opinion pieces and executive communications; corporate and technical content; and a substantial amount of genre fiction, including long-running series published under a house name or an established author's brand.
How the arrangement works. The ghostwriter is typically engaged on a work-for-hire basis: a fee is paid, copyright is assigned to the client, and the writer has no ongoing rights or royalties. Sometimes a share of royalties is negotiated instead of, or alongside, a fee.
A non-disclosure agreement normally prevents the writer identifying the work, which is why building a portfolio is difficult and why ghostwriters frequently rely on referrals rather than demonstrable credits.
Credit varies more than people assume. Some ghostwriters are entirely invisible; others receive "with" or "as told to" credit on the cover, which is openly acknowledged collaboration rather than ghostwriting in the strict sense. The credit is a negotiated term.
What the work actually involves for a memoir: extensive interviews, frequently many hours, then structuring a life into a narrative, then writing in the subject's voice — which is the real skill. Capturing how someone speaks and thinks, so that people who know them recognise them on the page, is harder than writing well in your own voice.
The ethical questions, fairly stated. For memoir and business books, the practice is widely understood and the ideas are genuinely the named author's. It becomes more contested where the named author's expertise is the selling point and they contributed little, and where readers would reasonably assume otherwise. Academic ghostwriting — essays and theses — is a separate matter and is straightforwardly misconduct.
Rates vary enormously, and full-length books command substantial fees reflecting months of work.