The ghost has left the attic. Ghostwriting — the professional craft of writing books that carry someone else’s name — has spent centuries in publishing’s polite shadows, acknowledged in whispers and credited in fine print. This year it is walking into the open, and the reason is arithmetic: the celebrity memoir, the genre that made ghostwriting an industry, is multiplying beyond the capacity of any shadow to hold it.

The pipeline is structural. Streaming platforms need memoirs for adaptation slates; podcasts spin off print companions; sports careers end earlier and tell themselves more readily; the influencer economy produces a continuous conveyor of lives deemed worth narrating. Every one of those books requires what the trade now calls a “collaborator” — the euphemism that signals the craft’s new respectability. Agencies report dedicated ghostwriting desks for the first time, matching writers to subjects with the same systems they use for translation rights, and several major houses have formalised in-house collaborations units where the work was once managed informally by editors with a talent for tact.

The professionalisation changes the craft’s economics. Ghostwriters, historically underpaid relative to the value they created, are now negotiating from evidence: a successful celebrity memoir’s ghost can demonstrate, in sales figures, what their invisibility once obscured. Rates have risen accordingly, with top-tier ghosts commanding fees that rival modest advances for authored work, and royalty participation — once unthinkable — now appearing in a growing share of contracts. The agents who represent ghosts describe the shift as the market finally pricing a skill it had been getting at a discount: the ability to inhabit another voice well enough that the reader never notices the inhabiting.

The ethical architecture is the industry’s honest frontier, and it is being built in public. Disclosure practices, once wildly variable, are converging toward standards: the collaborator’s role acknowledged on the title page or in the acknowledgements, the nature of the collaboration described with some candour, the author’s voice verified as genuinely theirs — which, in the best work, it literally is, reconstructed from hours of interview tape into prose that sounds like memory rather than composition. The profession’s bodies have begun drafting codes of practice, and the disclosure question — how much transparency does the reader deserve, and when does transparency become its own performance — is being argued with more seriousness than the trade has historically given its invisible labour.

The craft’s expansion beyond celebrity is the deeper story. Corporate memoirs, family histories, expertise books by professionals whose knowledge outruns their prose — the ghost’s traditional quiet work — are all growing, and growing more openly commissioned. Universities are beginning to teach narrative non-fiction collaboration; the memoir’s prestige economy, built on authenticity, has made peace with the fact that authenticity itself is a craft, and crafts have practitioners.

What has not changed is the ghost’s defining discipline: ego management, their own and their subject’s. The best ghosts describe their work as a form of method acting — total immersion followed by total disappearance — and the temperament required, a service ego sturdy enough to surrender credit, remains the profession’s rarest asset and its least teachable one.

The ghost in the attic was a secret. The ghost in the market is a profession, and its emergence from shadow is the memoir boom’s most honest product. The reader, as ever, knew all along; the trade is only now catching up to its own readership, and discovering in the process that the invisible hand that wrote so many of its favourite books was never ashamed of the work — only of the light. The light, it turns out, was always available. This is the year publishing finally agreed to switch it on.