Summer, 1939. British journalist John Russell has just been granted American citizenship in exchange for agreeing to work for American intelligence when his girlfriend, Effi, is arrested by the Gestapo. Russell hoped his new nationality would let him safely stay in Berlin with Effi and his son, but now he's being blackmailed.

Spring 1915. Secret service spy Jack McColl is in India, defending the empire against Bengali terrorists and their German allies. In England, meanwhile, journalist Caitlin Hanley is rebuilding her life after the execution of her brother - an IRA sympathiser whose terrorist plot was foiled by Caitlin's ex-lover, the very same Jack McColl. The First World War is giving fresh impulse to those causes - feminism, socialism and Irish independence - which she has long supported. But the threat of a rising in Dublin alarms McColl's bosses as much as it dazzles Caitlin. If another Irish plot brings them back together, will it be as enemies or lovers?

To live among wolves, first you must become one... An unmissable new spy thriller from best-selling master of the genre, Alex Gerlis. War is coming to Europe. British spymaster Barnaby Allen begins recruiting a network of agents in Germany. With diplomatic relations quickly unraveling, this pack of spies soon comes into their own: the horse-loving German at home in Berlin's underground; the young American sports journalist; the mysterious Luftwaffe officer; the Japanese diplomat and the most unlikely one of all... the SS officer's wife.

Jack McColl is a globe-trotting salesman for a luxury car firm. He is also a part-time spy for the fledgling Secret Service on the eve of the First World War. As 1913 ends he is in China, checking out the German naval base at Tsingtao between automobile demonstrations in Peking and Shanghai. Caitlin Hanley is a young Irish American journalist with the sort of views that most British men would find dangerously advanced.

1942: a German spy comes ashore on a desolate stretch of Lincolnshire beach. But he is hunted down by a young detective, Richard Prince. The secret services have need of a man like him.... In occupied Europe, Denmark is a hotbed of problems for British intelligence. Rumours of a war-ending weapon being developed by the Germans are rife. Sent to Copenhagen, Prince is soon caught in a deadly game of cat and mouse. Dodging Gestapo agents, SS muscle and the danger of betrayal, his survival - and the war effort - hangs in the balance. 

Berlin, 1929. Detective Inspector Rath was a successful career officer in the Cologne Homicide Division before a shooting incident in which he inadvertently killed a man. He has been transferred to the vice squad in Berlin, a job he detests even though he finds a new friend in his boss, Chief Inspector Wolter. There is seething unrest in the city, and the Commissioner of Police has ordered the vice squad to ruthlessly enforce the ban on May Day demonstrations.

Lisbon, 1943. After escaping from Nazi-Occupied France, SOE agent Elisabeth de Mornay, codename Cecile, receives new orders: she must infiltrate high society in neutral Lisbon and find out who is leaking key information to the Germans about British troop movements. As Solange Verin, a French widow of independent means, she will be able to meet all the rich Europeans who have gathered in Lisbon to wait out the war. One of them is a traitor, and she must find out who before more British servicemen die. 

February, 1944. A bitter winter grips occupied France, where Marc Reece leads a circuit of British agents risking their lives in order to sabotage the German war effort from within. But Reece has a second mission, secret even from his fellow agents - including Charlotte, the woman with whom he has ill-advisedly fallen in love. He must secure a document identifying a German spy at the heart of British intelligence. The fate of the Allied forces on D-Day is in his hands. 

It's not unusual for spies to have secrets, but Henry Hunter has more than most, and after he is stopped by British Intelligence at Croydon airport on the eve of the Second World War, he finds he has even more. In March 1941 in Berlin, haunted by a dark episode from his past, he makes a fateful decision resulting in a dramatic journey to the Swiss frontier, with a shocking outcome.

Jeremy Summers, a British banker with a secret that could reveal MI6 intelligence sources involved in the war against drug-funded terrorism, has been seized at gunpoint, in broad daylight, on the streets of west London. An old contact, Raglan - an Englishman who served in the French Foreign Legion - is on his trail. Raglan's pursuit will lead him to the winter-ravaged wasteland of a remote Russian penal colony. A place that holds Russia's most brutal murderers. A place of death and retribution. How will he get in? More importantly, how will he get out...alive?

Autumn 1943. Hitler knows he cannot win the war: now he must find a way to make peace. FDR and Stalin are willing to negotiate; only Churchill refuses to listen. The upcoming Allied Tehran conference will be where the next steps - whatever they are - will be decided. Into this nest of double- and triple-dealing steps Willard Mayer, OSS agent and FDR's envoy to the conference. His job is to secure the peace that the USA and Hitler now crave. The stakes couldn't be higher.

Europe is still littered with the darkest secrets of the Cold War. And the most deadly revelation of them all is about to be made…Hard-up Russia expert Dr Sam Gaddis finally has a lead for a book that could set his career back on track. He has staggering new information about an unknown sixth member of the infamous Cambridge spy ring – a man who has evaded detection for his entire life

In 1953, Comandante Leo Guzmán is head of a secret police unit whose job is to hunt down enemies of the state. Guzmán’s brutal tactics are simple and effective: everyone is suspect. In 2009, on a blazing summer's day in the hills near Madrid, Ana María Galindez, a Guardia Civil forensic scientist, examines what she thinks is just another Civil War grave. Fifteen bodies are hidden in an abandoned mine shaft, and forensics reveal that the killings took place sometime in the early 1950s. The identity of the suspected murderer? Comandante Leo Guzmán.

As Germany goes to war, the Nazis tighten their terrifying grip. Paranoia in the capital is intensified by a rigidly enforced blackout that plunges the city into oppressive darkness every night, as the bleak winter sun sets. When a young woman is found brutally murdered, criminal Inspector Horst Schenke is under immense pressure to solve the case, swiftly. Treated with suspicion by his superiors for his failure to join the Nazi Party, Schenke walks a perilous line - for disloyalty is a death sentence.

July 1940. As Britain braces itself for invasion, ex-Tommy and safecracker Bill O'Hagan is glad to have escaped the battlefield. But when a job goes wrong, he finds himself forced to serve his country once more. Spurned by his government and fearing for his life, the Duke of Windsor flees to Portugal with the woman for whom he abdicated the throne, Wallis Simpson. As a web of Nazi trickery threatens to ensnare him, his fate and the fate of Britain rest on one man.