book cover of A Spy Inside the Castle
 

A Spy Inside the Castle

(2025)
(The first book in the Ethan Briar series)
A novel by

 
 
le Carré meets Black Mirror in this cerebral espionage thriller about secrets, power, and the cost of truth.

When intelligence analyst Ethan Briar is drawn into a covert mission on the windswept Isle of Skye, he enters a world where nothing is as it seems. An abandoned supercomputer, a defector's warning, and the specter of a long-buried betrayal set the stage for a high-stakes investigation with global implications.
‘Le Carré meets Black Mirror in this cerebral espionage thriller about secrets, power, and the cost of truth.’

— The Nerd Daily

‘A page-turner with real literary depth.’

— Kirkus Reviews

‘An intricate novel that possesses continual intrigue… a fascinating thriller about those who hold power—those who are fooled by it, and those who fight against corrupt power structures.’

— Foreword Reviews (Clarion)

‘A fascinating espionage tale that blends gritty spycraft with a mystical twist and unrelenting suspense. One of the most interesting fusions in the thriller genre.’

— BestThrillerBooks.com

‘A real page-turner… a promising start of a great series. A fresh, chillingly plausible blend of classic espionage and high-tech conspiracy.’

— MysterySequels.com


At Castlemartin Manor—a decaying stronghold for a once-cutting-edge surveillance program—Ethan is forced to navigate shifting loyalties, encrypted legacies, and the labyrinthine politics of modern intelligence. As the storm outside intensifies, so does the war within: between faith and cynicism, memory and manipulation, human judgment and machine prediction.

Gripping, intelligent, and hauntingly prescient,
A Spy Inside the Castle explores the intersection of technology and truth in an age where perception is weaponized—and no one is beyond suspicion.


Genre: Thriller

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