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The Ultra Betrayal

With more harrowing twists and turns than the first novel, follow OSS Agent Conor Thorn on his newest adventure in The Ultra Betrayal, available now

Second novel in the Conor Thorn series.

One man’s dark deal with the Nazis could bring the Allies to their knees…

Autumn, 1942. rule breaking OSS Agent  Conor Thorn  heads to help the Allied war effort when a key Swedish cryptographer stationed in the UK goes missing, Thorn is determined to find him before critical information falls into enemy hands. But his MI6 colleague vanishes trailing the code-breaker to Stockholm, plunging Thorn into a sinister Nazi conspiracy.

Suspicious of the cypher’s wife and racing against time to prevent damaging leaks, Thorn mounts a daring operation. But if the bold agent’s plan fails, he risks compromising Allied tactics and jeopardizing thousands of valiant lives.

Can Thorn stop prized secrets from triggering more wartime carnage?

The Ultra Betrayal is the second novel in the thrilling Conor Thorn spy series. If you like harrowing historical drama, riveting espionage, and fast-paced action, then you’ll love Glenn Dyer’s well-researched World War II adventure.


Second novel in the Conor Thorn series.