M. B. Courtenay
AUTHOR

M. B. Courtenay

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M.B. Courtenay writes espionage thrillers where the shadows are as dangerous as the secrets they conceal. His debut novel, A Spy Inside the Castle, blends the cerebral intrigue of John le Carré with the haunting, near-future edge of Black Mirror. Courtenay weaves labyrinthine plots of betrayal, technology, and moral compromise—stories where the truth is never clean, and power is never innocent. A lifelong student of history, philosophy, and the murky world of intelligence, Courtenay is a self-described “dabbler in espionage”—fascinated by the craft, its myths, and its moral gray zones. His worlds feel lived-in, his conspiracies frighteningly plausible, and his characters wrestle with questions that cut deeper than politics—questions of trust, agency, and survival in a world built to deceive. When not writing, he’s exploring the overlap between historical intrigue and modern tradecraft, reading everything from Will Durant to declassified Cold War files, and planning future installments in the A Spy Inside the Castle series.
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