Alex Gerlis Book order (chronological)

"It's 1937. Fear and suspicion stalk the Continent. A million have died in Stalin's Great Purge and the Nazi terror grips Germany. But British intelligence is still trying to work out who the enemy is. As Europe heads towards war, treason is in the air. British spymasters know there is one Soviet agent in their ranks, codenamed Agent 'Archie', and there's a frantic search to find them. What they don't know is that he is not the only traitor. The life of Charles Cooper, a young British writer travelling Europe to research his novel, is about to change for ever..."--Amazon.com.

"The Allies have landed, the liberation of Europe has begun. In the Pas de Calais, Nathalie Mercier, a Special Operations Executive secret agent, disappears. In London, her husband Owen Quinn, an officer with Royal Navy Intelligence, discovers the truth about her role in the Allies' deception at the heart of D-Day. Appalled but determined, Quinn sets off on a perilous hunt in search of his wife. Aided by the French Resistance, he makes good progress. But caught up by the bitterness of the war and its insatiable appetite for revenge, he soon risks losing it all. What price is he willing to pay? Based on real events, this is a thrilling tale of international espionage, perfect for fans of Robert Harris and John le Carré."--Back cover