Work has now begun on Traitor, the explosive sixth instalment in the Nelson series.

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Following the devastating events of Hunter, Nelson is more isolated than ever. Branded a traitor and blamed for an attack he did not commit, he finds himself hunted not just by his enemies, but by the very governments and intelligence services he once trusted.

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Set against the cold shadows of modern Russia, Traitor will take the series deeper into the world of espionage, disinformation and covert power struggles. From the Black Sea to the shores of the Caspian, Nelson is drawn into a deadly game involving the SVR, MI6 and a network of hidden loyalties stretching back decades.

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Nelson must decide who he can trust — and how far he is willing to go to survive.

Readers can expect the same fast-paced action, authentic tradecraft and high-stakes tension that have defined the series so far, alongside deeper insight into Nelson’s past and the forces that shaped him.

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Traitor is currently in development and scheduled for release later in 2026.