The premise of SANDBOX is one constraint applied to everyone at once. Every writer in a volume gets the same three story elements. They have between 300 and 1,200 words, any genre, and must use all three. What comes back is never the same twice, and reading fifty pieces built from identical parts turns out to be one of the more interesting things you can do with an afternoon.
Somebody has to choose the three. That is the guest host's job, and it is a considerably more consequential decision than it sounds — the elements determine everything about what a volume becomes, in the way that a prompt determines a workshop.
This guide is what that role involves, what makes an element set work, and how to put yourself forward for one. It sits under how to make money as a writer on CanonBoard, which is the wider map of paid routes here.
What a volume is
A volume is a call, a window, and a selection. Every writer who enters receives the same three elements. They write a short piece — 300 to 1,200 words — using all three, in any genre they like. When the window closes, the reading starts, and the selected pieces are published.
Two properties make it different from an ordinary open call. The first is that there is no theme, only elements — which sounds like a small distinction and is not, because a theme tells writers what to say and an element tells them what to build with. The second is that nothing is judged by machine at any point. There is no scoring, no ranking, no automated screening, and no algorithmic feedback anywhere in the flow. People read it. That is a deliberate decision rather than an unimplemented feature, and it is not going to change.
The writer's side is deliberately frictionless: no account, no file uploads, plain text, 18+. And the protections are real ones rather than boilerplate. Submitting transfers nothing. Unpublished work stays private — it is not displayed, not listed, and not shown to other writers. Nothing is published without a second, explicit agreement after selection, once the writer has seen the final terms.
It is worth being direct about the money, because the guides that are not direct about it are the reason writers are suspicious of open calls. **Submitting is not paid.** Compensation terms are unresolved while the publishing terms are being finished, and rather than gesture at it, the submission terms make no payment representation in either direction. What a writer gets from SANDBOX today is publication and readers.
What the host actually does
**Choose the three elements.** This is the creative core of the job and the part that determines everything downstream. More on what makes a set work below.
**Write the call.** A short piece of framing — what this volume is reaching for, what you are hoping to be surprised by. It is not a brief and it should not narrow the field; it sets a register. A good call makes writers who would not otherwise have entered decide to.
**Read.** Alongside our editors, inside an agreed window. Volume sizes vary and the reading load is agreed with the arrangement rather than discovered afterwards. You are reading unpublished work belonging to other people, and it is only ever visible to the people reading for that volume.
**Select, and stand behind it.** Your name is on the volume, which means the selection is yours to defend. This is the part that makes the role worth doing and the part that makes it a real commitment rather than a credit.
What you are not doing is administration. Intake, storage, the terms conversation with selected writers, and publication are ours. The role is taste and time, not operations.
What makes three elements work
The temptation is to choose three things that obviously go together, which produces fifty versions of the same story. The interest is in the friction.
**Make them unrelated.** Three items from the same world, genre or register collapse the space. A set that spans a concrete object, a human situation and a formal or physical constraint gives every writer three different handles and no obvious combination.
**Keep them concrete.** "Betrayal" is a theme and it will produce mush. "A key that does not open anything any more" is an element. Concrete things can be interpreted in fifty directions; abstractions can only be illustrated, and illustration is not interesting to read fifty times.
**Leave the connection unmade.** Your job is to hand over three parts, not a puzzle with a solution. If you can already see the story that uses all three, you have chosen a plot rather than a set, and the best submissions will be the ones that ignored you.
**Avoid the ones with a canonical answer.** Some combinations have an obvious best treatment, and a volume built on one produces a field of near-duplicates and one winner everybody else can see coming.
The quiet test: imagine the four most different writers you know receiving your three elements. If you can predict what any of them writes, choose again.
Why it is worth doing
The fee is the least interesting reason, which is a strange thing to write in a guide about making money, but it is true and it is worth saying.
You get read by writers. A volume puts your taste in front of everyone who enters it and everyone who reads it, and taste made public is one of the more durable forms of standing a writer can build. It is the same asset an anthology editor has always had.
You get the raw material of a workshop without running one. Fifty pieces built from identical parts is a genuinely rare object — a controlled experiment in how differently people solve the same problem — and there is very little else that produces it.
And it compounds with the other routes here. Hosts have an audience of writers, which is precisely the audience for whom a tool like this is useful, and that intersects directly with the affiliate programme.
How to put yourself forward
The intake is the jobs page — choose the guest host option under discipline, and use the pitch field for the thing we actually want to see, which is **three elements you would choose and one sentence on why.**
That is the whole audition. Not your credits, though include them; not your reach, though it matters. Three elements and a reason. It tells us more in thirty seconds than a page of biography, because the job is exactly that decision made well.
One practical note on timing. Volume 1's elements are being handed to a writer now, and submissions open when they land — while that is in progress, the SANDBOX page is a waiting list rather than an open call. Applications to host are read continuously regardless, and volumes are scheduled ahead.
If what you want is paid work with us more generally rather than a volume specifically, the same page covers it and paid writing work with CanonBoard is the guide to that application.
Frequently asked questions
- What is SANDBOX?
- A public short-form anthology run by CanonBoard. Each volume gives every writer the same three unrelated story elements — an object, a situation, a constraint, in some combination — and asks for a piece of 300 to 1,200 words that uses all three. Any genre. No account is needed, submissions are 18+, and selected pieces are published. The interest is entirely in the spread: the same three elements, and what comes back never looks the same twice.
- Does hosting a volume pay?
- Yes — it is a working arrangement agreed per volume, in writing, before anything starts. We do not publish a rate because volumes differ in size and in how much reading is involved, and quoting a number that does not survive contact with a specific volume helps nobody. What we will not do is imply that hosting is paid in exposure. Submitting to a volume, separately, is not paid at all, and the submission terms say so explicitly.
- What does a guest host actually do?
- Four things. Choose the three elements for the volume, which is the creative core of the job. Write the call — the short piece of framing that tells writers what this volume is reaching for. Read the submissions alongside our editors, within an agreed window. And put your name to the final selection. You are not doing administration; the platform handles intake, and unpublished work is only ever readable by the people reading for that volume.
- Who is a good fit to host?
- Writers with standing among other writers, which is a different quality from having a large general readership. Editors, authors with an engaged following, people who run workshops, teach, or hold a community together. The practical requirements are taste you can articulate, reliability inside a defined window, and a willingness to make a selection you can defend — because the person whose name is on the volume is the person who chose.
CanonBoard scans your whole world and tells you where it disagrees with itself.
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