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In the rain-soaked underbelly of post-war London, time itself becomes the weapon.

Sir Henry Collingwood — a senior government adviser — is found dead in a locked Ministry office. The clock on the wall stopped at 12:03. No intruder. No gunshot heard. A perfect impossibility.

Until Jack Falcon — Department 7’s most relentless operative — discovers a hand-built, brass clockwork killing device hidden inside the desk. A mechanical assassin. Designed not to hide the crime…

…but to perform it with ritual precision.

What follows launches Falcon, codebreaker Evelyn Drake, and saboteur Billy “Sparks” Devlin into a nightmare built on gears and vengeance — hunting Arthur Mallory, a disgraced British genius obsessed with time and engineering the perfect assassination machine.

From fog-choked Clerkenwell workshops, to the dark arteries beneath Charing Cross, to the belfry of Big Ben itself at 11:56 p.m., they uncover something far more terrifying than a lone madman:

A secret government plan to create a mechanical network of pre-programmed assassinations — a silent war fought by clockwork.

Mallory tried to burn it all down.

His successor plans to finish the work.

And London does not know its heartbeat is not its own.

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In the rain-soaked underbelly of post-war London, time itself becomes the weapon.

…but to perform it with ritual precision.

A secret government plan to create a mechanical network of pre-programmed assassinations — a silent war fought by clockwork.

Mallory tried to burn it all down.

His successor plans to finish the work.

And London does not know its heartbeat is not its own.

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Martin Swan is a prolific British author whose work spans gripping detective fiction, historical thrillers and romance.

With a passion for storytelling that blends classic intrigue with contemporary themes, Martin has created a diverse body of work—from sharp-witted detective series and espionage-driven narratives to relationship guides and self-improvement books. His fiction often draws inspiration from timeless storytelling traditions while delivering fast-paced, immersive plots for today's readers.

A firm believer in the power of digital publishing, Martin is also deeply involved in creating accessible content for readers worldwide, producing ebooks, audiobooks, and online resources that reflect the evolving way people read and learn.

Whether crafting compelling mysteries or practical guides, his mission is simple:

to entertain, inform, and create stories and ideas that stay with you long after the final page.

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Jack Falcon and the Clockwork Assassin

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