Inventory in a publishing house: consignment, returns and the warehouse reality

In a general inventory program, “how many do we have?” has one answer. In a publishing house it has at least three, and all three are correct:

• Units sitting in the warehouse
• Units sitting with a distributor or bookshop on consignment, still owned by you
• Units sold and accounted for

Any system that does not separate these three will eventually produce a wrong number in a press. This piece covers what is particular about book inventory — consignment, returns, statutory copies, spoilage — and how it all ties back to royalties and accounting.

Consignment: the goods are there, the ownership is yours

A significant share of book distribution runs on consignment: the book goes to a distributor or bookshop, sits on the shelf, is settled as it sells, and is returned if it does not. From the publisher’s side that means shipping goods that have not been sold.

The accounting and inventory consequence: a shipment is not a sale. When you send five hundred books to a distributor your stock does not decrease, it moves. A publisher who books that as a sale has to reverse both revenue and royalty accrual three months later when two hundred come back.

The correct model keeps three items apart: warehouse stock, consignment stock (with whom, since when, how many) and sales. Consignment reconciliation — the distributor’s report of “I sold this many this period” — is a separate step, and in most presses it is the weakest one. When reconciliation is late the author’s payout is late, and the author reads that as the publisher’s negligence.

Returns: three flows, three different outcomes

“Return” is one word for three different things in a press:

Consumer returns. A book coming back under distance-selling withdrawal rights. The item is usually resaleable; it re-enters stock, the invoice is cancelled or a credit note issued, and the royalty accrual is reversed.

Trade returns (consignment returns). Books the distributor sends back unsold. No sale ever happened; the units move from consignment stock back to warehouse stock. What needs watching here is physical condition: some of what sat on shelves for months comes back worn.

Damaged returns. Copies harmed in transit or on shelves and no longer saleable. These leave stock but do not re-enter saleable stock — they are spoilage, and the cost is the publisher’s.

A system that processes all three through the same button cannot tell you at year end where the loss came from.

Outflows that are not sales: statutory and review copies

A book leaving stock does not always mean a sale. There are four kinds of non-sale outflow on the publisher’s side, and all four need recording:

Legal deposit copies. Every jurisdiction requires publishers to deposit copies with a national library system. In Türkiye, under Law No. 6279 on the legal deposit of reproduced intellectual and artistic works, a publisher must deliver six copies to the deposit unit within fifteen days of production. These come out of the print run and are not sales.

Author copies. The number of copies due to the author is written into the royalty contract. Where it is not, it becomes a negotiation at every printing; where it is, the stock movement is self-evident. (Contracts and payouts)

Review and promotional copies. Books sent to press, academic reviewers, prize juries and libraries. A marketing cost, not a sale.

Internal use. Fairs, archive, samples.

These four look small and easily reach 40–60 units in a run of a thousand. Booked as sales they inflate revenue; not booked at all, the stock does not reconcile. The right answer is to record each with its own movement type.

Why negative stock must be blocked outright

Anyone who sees a negative figure in a stock table knows it is a data error; the question is when it gets noticed. Where negative stock is permitted, the error surfaces months later at stocktake, and by then finding which movement was wrong is close to impossible.

Where negative stock is blocked, the error surfaces at the moment and place it happens: the sale does not complete, the user sees “out of stock”, and the actual problem — a missing goods-in entry, a mis-recorded shipment — is investigated immediately. It is a protective rule, not a restrictive one.

Stocktake and reconciliation

At least one physical count a year is unavoidable in a book warehouse too. The value of a count is not in the discrepancy it finds but in being able to explain where the discrepancy came from — and that is only possible if every movement is recorded with its history.

On the consignment side the equivalent of a stocktake is reconciliation: does the quantity at the distributor match the quantity in your records? Presses that never make reconciliation a periodic step usually live with a discrepancy that accumulated over years and that nobody can trace.

Digital has no stock, but it has entitlements

Ebook and digital article sales have no stock — but they do have access entitlements, and those need managing too: who has access to what content, from when, under what terms. Which is why print and digital versions belong under the same work: the same book’s print version generates stock and its digital version generates entitlements, and both feed the same royalty account. We covered the format–ISBN relationship in a separate piece.

How it should sit in a system

All of the above rests on one design principle: stock is not a number, it is the sum of movements.

Four practical consequences. Stock is held at format level — the hardback can be sold out while the paperback is available. Every movement has a type: goods-in (printing), sale, consignment shipment, consignment return, consumer return, legal deposit, promotion, spoilage. Every movement is recorded with its history: who, when, against which document. And when a sale happens, the stock deduction, the invoice and the royalty accrual are processed as outcomes of one event — not as three entries in three programs.

With those four in place, all three answers to “how many do we have?” are correct at any moment. Without them, a press lives with a reconciliation exercise performed a few times a year that never quite balances.

We placed this structure inside the whole book record in the book management system piece, and its sales-side counterpart in e-commerce for publishers. To review your own warehouse and consignment flows, book a demo.