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THRILLERS THAT STAY WITH YOU.

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Stories about surveillance, identity, power and the systems that shape our lives.

Martin Caldwell writes intelligent psychological thrillers inspired by real-world questions, hidden systems and the choices people make under pressure.

FEATURED BOOK

NOW AVAILABLE

THE WATCHING GLASS

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London doesn't sleep. It watches.

When a series of murders begins appearing online, DI James Hale and cyber analyst Ethan Ward find themselves hunting a killer who turns death into spectacle and the public into participants. As the audience grows, so does the danger.

The Watching Glass

ABOUT MARTIN

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STORIES ROOTED IN REALITY.

WRITTEN TO KEEP YOU GUESSING.

Martin Caldwell writes intelligent thrillers that explore technology, psychology, surveillance and the hidden systems that shape our lives.

Drawing on years of experience in digital safety, technology and online education, his stories combine real-world concerns with gripping suspense and uncomfortable questions.

Because sometimes the most unsettling stories aren't the ones that couldn't happen.

They're the ones that already might be.

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THE BOOKS

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Stories that challenge what we see, what we believe and who we trust.

The Watching Glass Front Cover

THE WATCHING GLASS

2026

When murder becomes content, the real danger isn’t the killer.

It’s the audience

Surveillance Front Cover

SURVEILLANCE

IN DEVELOPMENT

If you knew you were being watched…

… would you still be yourself?

The Version That Holds

THE VERSION THAT HOLDS

NEXT IN LINE

If a version of events is convincing enough…

… does it matter whether it is true?

LATEST FROM THE CASE FILES

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Research, inspiration and the real-world ideas behind the fiction.

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WRITING

THE LONG ROAD TO A THRILLER

Every book starts with a question. Here;s how an idea becomes a story worth telling. .

26 JUNE 2026

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WRITING

THE LONG ROAD TO A THRILLER

Every book starts with a question. Here;s how an idea becomes a story worth telling. .

02 JULY 2026

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WRITING

THE LONG ROAD TO A THRILLER

Every book starts with a question. Here;s how an idea becomes a story worth telling. .

13 JULY 2026

STAY ONE STEP AHEAD

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The questions behind a story don’t always end on the final page.

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