Stop here

When the next step does not fit

The person is not the only thing that can change.

Start here. Ten seconds, no words needed, and you can stop straight after.

That is a complete visit. You can close this page now.

If you would rather carry on: this is a book, and it exists. £34.99 on paper, £8.99 on Kindle, free on Kindle Unlimited. Nothing above this line costs anything, and nothing below it is required.

The Adaptive Margin field book beside the Signal Lens card on a pale paper surface, lit by a thin line of light.

Visuals of the book and the v5.0 Signal Lens. A proof copy is ordered. These become photographs when it lands.

JobChange one part of the conditions
DoSip · look · place
ThenLeave before the page becomes weight

00 · Start here

Change one part.

The person is not the only thing that can change. Pick the easiest one and stop as soon as it exists.

The result can be tiny. One changed fact is enough. No writing. No explanation. No need to continue.

Water

Take one sip.

Or put water within reach and leave it there.

Window

Look outside.

Open it, close it, or move nearer. Any of the four counts.

Object

Place one ordinary object.

Put it where the next act can find it later.

TimeTen seconds
WordsNone
HandsTurn or point
ExitEvery page
That is a complete use of this page. You can stop here.

Field Card 00 · Free · Yours now

Keep this without the website.

Three acts on one page. No app. No account. No reminder. No price. Print it or photograph it, and this website is no longer needed.

  1. Water. Take one sip, or put water within reach and leave it there.
  2. Window. Look outside. Open it, close it, or move nearer.
  3. Object. Put one ordinary object where the next act can find it.

Any one of these on its own is a complete visit. Field Card 00, The Adaptive Margin, theadaptivemargin.com

The only thing here you can have today, and it costs nothing. The paperback is £34.99 and the Kindle edition £8.99, both out now.

JobSee what the book actually does
DoRead · skip
ThenUse only what helps now

01 · What it actually does

Open anywhere. Choose what fits now.

  1. Find the exact point where a task catches.

  2. Make one real-world move smaller.

  3. Change the place, people or timing.

  4. Return without protecting a streak.

  5. Keep one useful fact about what changed.

Read, point, cover, mark, fold, cut, rip or leave every page intact. Writing is optional. Fourteen printed tools and bound alternatives are included, so nothing closes because of a hand or a day.

JobSee the eight needs-led ways in
DoLook · point
ThenUse it, reject it, or leave it

02 · Ways in

Start where it catches.

Choosing, starting, continuing, returning, changing the conditions, noticing, discovering, or not knowing what you need yet.

These name doors, not chapter order. You are never asked what you are, only what is catching today.

Nothing has to be named. This way in assumes you cannot yet say what you need, and it does not ask you to.

  • RecogniseA page that needs no word from you.
  • One moveWe make the page ask less, rather than asking more of you.
  • EvidenceStaying on one page counts. That is the record.
  • ToolsA corner clip, so the page can be found again.

For when something is off and it has no shape yet. We widen the view a little, without asking you for a conclusion.

  • RecogniseNotice what is here before deciding what it means.
  • One moveChange what you are looking at, not how hard you look.
  • EvidenceOne pass, whether or not it resolved.
  • ToolsPages you can point at instead of describe.

For when there are several possible next things, and the choosing itself has become the thing that catches.

  • RecognisePut the options where you can see them at once.
  • One moveWe cut the field down until a choice is physically possible.
  • EvidenceThe one you took, not the best one.
  • ToolsA cut tool that holds one option in place.

For arriving. Starting is kept apart from continuing, because beginning and carrying on are different jobs and need different pages.

  • RecogniseFind the first physical thing to touch, not the first task.
  • One moveWe move the start closer to where your hands already are.
  • EvidenceThe smallest visible part, done.
  • ToolsA construction face that stands up on a surface.

For when something is already going, and the question is how to keep contact without starting the whole thing again.

  • RecogniseFind the nearest live point in the work.
  • One moveWe change the conditions so the thread survives a gap.
  • EvidenceOne unit added. No catching up.
  • ToolsA marker that keeps the live point findable.

For when the move is fine and the room is not. We change what is around you rather than what is in you.

  • RecogniseName one condition that is doing the blocking.
  • One moveAlter light, sound, surface, distance, or who is there.
  • EvidenceOne physical change. The task can wait.
  • ToolsPlacing tools for the room itself.

For coming back after a gap of any length, with no backlog to clear and no explanation owed.

  • RecogniseSee what is still standing, not what lapsed.
  • One moveWe re-enter at the nearest point, not at the beginning.
  • EvidenceResumed, at any size.
  • ToolsA page that marks where you came back.

For keeping evidence. This is where one changed fact gets recorded, and where anything unhelpful gets thrown away.

  • RecogniseRegister one thing that actually changed.
  • One moveKeep only what helps you next time.
  • EvidenceOne line, one mark, or nothing at all.
  • ToolsA clip whose notches read helped, unsure, or hard day.

Marks show what each way in carries. In the book you find the pages with the printed edge index, not by reading from the front.

JobTrace the loop without a starting line
DoTrace · enter anywhere
ThenRest does not erase evidence

03 · The loop

Change one part. Make one move. Keep one fact.

Three beats, in the same order, on every way in. It is a loop, not a ladder. Beginning in the middle still counts, and rest does not erase what you kept.

01

Something catches.

02

One part can change.

03

One move becomes available.

04

One fact is different.

Capacity changes

quietbusyclearfoggyheldalone

The book adapts the move. It does not grade the weather.

Cognitive offloading, implementation intentions, attention research and choice architecture inform specific design decisions. They do not prove that this product has clinical effects. No adult SEND study has been run yet. One is a release gate, and so is physical testing.

JobSee the object plainly
DoOpen it up · leave
ThenYou do not owe a performance

04 · Inside the book

Pull it apart before you buy it.

Two hundred and thirty pages in six working parts. Open the stack and take each one out.

Six working parts.

Open the stack, then take out any part to see what it does. Nothing here needs to be understood in order.

See the first sidekick
  • Cover and spine. A printed landscape with a four-colour track down the spine.
  • The Landing, pages 3 to 10. One physical act, a ledger you need not fill in, three doors, the waymarks, the cost of travel, and one tool buried in the outer corner.
  • Eight ways in, 176 pages. Needs-led routes, each with its own pages and its own way out.
  • Wonder Leave, 22 pages. Ten engineered spread openings that ask nothing of you.
  • Fourteen tools, 32 pages. Construction faces with mirrored reverses, so a page still works after it is cut.
  • Edge index. Printed colour on the outer edge, so you find a page by looking at the closed book.
230Pages
14Physical tools
22Wonder Leave

Read, point, cover, mark, fold, cut, rip or leave every page intact. Writing is optional. Every cut has a bound alternative that needs no cutting at all.

Inside: eight ways in, fourteen physical tools, places to write, a hidden page-jumping mystery, and twenty-two pages of Wonder Leave. Use what helps. Leave the rest.

Format
7 × 10 inch premium-colour paperback
ISBN
978-1-0666869-9-5The Adaptive Margin, first retail edition 2026
Price
£34.99 paperback£8.99 on Kindle, free on Kindle Unlimited. Books carry no VAT in the UK.
State
Both editions on saleTwo of five tests settled, one in the post, two not yet. The log is on this page.
Front cover of The Adaptive Margin: a lit path crossing a dark shore towards open water and a warm sky.

The v5.4 front cover, as it goes to print.

Out now

Both editions are out. They are not the same thing.

The paperback is the object this book was designed as: fourteen tools you can cut out, a bound alternative for every one, and a colour index printed on the outer edge. The Kindle edition carries the whole text for £8.99, and is the cheap way to find out whether the paper one is for you.

Buy the paperback£34.99 Or read it on Kindle£8.99 Free on Kindle Unlimited. Amazon takes the payment, not us.

JobFind one usable signal
DoPoint · cover · place · leave closed
ThenNothing you point at is stored
Signal Lens, visual sidekick one: a dark card with a glowing lens over a night landscape.

Collectible 01 · Visual sidekick

Everything can be real. Not everything has to become a task.

Open this when the field is too loud. Find one signal that can change the next minute. Point, cover, place, or leave it closed.

No streak. No diagnosis. No debt. Use it alone or slide it beneath the Dot Dock band on the main field book.

Point to one signal

You belong before the signal is clear.

Choose one signal, not a complete explanation. Nothing you point at is stored.

Body
Something in the body is asking first. Change one physical condition before anything else. Water, warmth, posture, light. Stop when that is enough.
Place
The room is doing some of the work. Change the place rather than the person. Move one object, one door, or yourself two metres.
Task
The task has no visible first edge. Find the first physical place where the action would actually begin. Touch that, not the whole task.
People
Somebody else is in the loop. Ask for one clear thing. Change the support, not the standard. One message, one ask, or one deliberate absence.
Not sure
Not sure is a complete answer. Nothing needs naming. Stay for as long as it is useful, then leave without finishing anything.

Dot Dock

Dot 00 is free and already yours. Dot 01 is drawn and not out.

Field Card 00 is on this page and costs nothing. Signal Lens is drawn and not out. Six slots are empty and honest about it. Nothing you own now becomes incomplete when the rest arrive, and no dot is ever required.

06 · One family, no lock-in

Nothing later makes the book incomplete.

Every edition stands on its own. Nothing that comes afterwards turns anything earlier into a partial product.

Now

The book

The complete method, Wonder Leave and fourteen bound tools.

Retail candidate
First

Signal Lens

Collectible 01. A visual-first sidekick. Digital first, print after its own gates.

Deployment candidate
Next

Friction Engine

Find the first physical place where an intended action stops.

Future edition
Next

Return Beacon

Resume from the nearest live point without paying a backlog.

Future edition
Optional

Field Signal

One new digital sidekick each month, or choose nothing. No streak, backlog or status.

Not open

07 · Where it is

The promise is smaller than the ambition.

Both editions out now

Books carry no VAT in the UK, so those are the prices you pay. Two of five tests settled, one in the post, two not yet.

There is no checkout here and there never will be. Amazon takes the payment and handles returns.

This went on sale before every test was finished. That is a choice, and this is the whole of it. We will not replace missing evidence with launch language, so here is the log instead.

  1. 01

    Digital engineering Passed

    230 interior pages and 24 Signal Lens pages pass structural, margin, font and mechanism checks. Passed on v4.9.

  2. 02

    Physical proof In the post

    Print colour, binding, trim, edge index and every construction page tested in the printed object. A copy is ordered. It has not arrived. When it does, the renders here become photographs of it, good or bad.

  3. 03

    Destruction test Not yet

    Tear, fold, place, close, shake and repeat. No reverse-side content can be lost. Nothing here starts until the copy is in a hand.

  4. 04

    Adult SEND formative study Not yet

    Real readers decide whether the pages feel like company or weight, and whether each first move is understood. No study has been run. Nothing is claimed on the strength of one.

  5. 05

    Commercial and privacy gate Carried by Amazon

    Price, territory, fulfilment, cancellation, returns and payment security sit with Amazon, not with us. Your card never touches this site. Amazon's returns policy applies, not ours.

Two settled, one in the post, two not yet. This log moves when a test moves, including when one fails. Nothing here gets quietly deleted.

08 · What readers say

Four so far.

Printed as they were written. Nothing added and nothing sharpened.

All four were given a copy of the book. Nobody was paid, nobody was promised anything, and nobody was asked for a particular answer. That is declared here rather than in a footnote, because a review copy you are not told about is the thing worth hiding.

A fifth was offered and is not here, because it could not be verified. The shelf holds what can be stood behind.

Occupational therapist · clinic

I stopped asking families for a “home programme.” I give them the three acts and tell them the session is finished when they put the book down. Two parents have brought it back with the spine already broken at the leave pages. That is the outcome I wanted.

Paediatric OT · Midlands

Teacher · Year 4

I used the signal picker on a wet Friday instead of a mindfulness video. The room got quieter without me performing calm. I did not laminate anything. I did not start a display. That felt like the point.

Class teacher · Staffordshire primary

Designer · product

I have shipped streak counters for a living. Page 198 made me take the price off the fifth screen of a client site and put it under the first honest sentence. The client did not leave. A few did. Both results are in the book.

Product designer · London

Reader · Kindle Unlimited

I opened it on KU because it was free and closed it at the permission page. That would be a failed conversion anywhere else. Here it is the conversion. I bought the paper copy the next week so I could put it down with my hands.

Reader · bought paper after Kindle Unlimited

What appears here

  • What someone actually did with it, in their words, with their role and roughly where they are.
  • What it did not do, when that is the honest half of the answer.
  • A low opinion, if that is the opinion. A book that only collects praise is collecting the wrong thing.
  • Whether the reader was given a copy, said plainly and next to the quote.

What never appears here

  • A quote that was paid for, promised anything, or steered towards a particular answer.
  • Anything written by us, or by a machine, in a reader’s voice.
  • Five stars. Must-read. Life-changing. Could not put it down.

That last line is not a style preference. Since April 2025 a review that does not reflect a genuine experience has been unlawful in the UK, and the regulator can act without going to court. A book whose sales page carries a public log of its own unfinished tests is not going to invent the one thing it cannot yet manufacture.

If you have read it and want to say something, honest or otherwise, use the form below. Nothing is offered in return and nothing is edited except length, with your agreement.

Stop here

This is a complete visit.

You can close this page now. Nothing is saved anywhere but your own browser, nothing is counted, and nothing is waiting for you when you come back. If one physical fact is different, that was the whole thing.

If you would rather carry on, the rest is below.

If you need someone now

This book is not a crisis service, and it never will be. These are.

Both editions out now

You belong here before you do anything.

Both editions are out. The £34.99 paperback is the object itself, and the £8.99 Kindle edition is the whole text and free on Kindle Unlimited. Leave an address and you get the accessible EPUB, free, whether or not you ever buy anything.

Buy the paperback£34.99Kindle£8.99

What you get for an email address

  • The accessible EPUB. All 230 printed page numbers carried across, a page list and landmarks, so a page in the paperback finds the same place on screen. Passes EPUBCheck with no errors. Free, and yours whether you buy anything or not.
  • One message if a release test moves, including when one fails.

That is everything. No newsletter, no sequence, no second email asking whether you read the first.

Would you pay £34.99 for this?

A no is worth more than a polite yes. Either way you keep your place here.

No sequence. No countdown. No card. Unsubscribe in the same message.

Where you buy it

The paperback is £34.99 and the Kindle edition £8.99, free to read on Kindle Unlimited. Both are out now on Amazon, who print it, post it and take the payment. Your card never touches this site, and your rights as a buyer sit with a company that has to honour them.

The Kindle edition on Amazon

We could have opened a checkout here and taken your card. We did not. Amazon does that part better, and it means one less place your details can sit.

Registering costs nothing and commits you to nothing. There is no queue you have to pay to leave.

Change one part. Make one move. Keep one fact.

Both editions out now£34.99 paper, £8.99 Kindle Get the book£8.99+