Gerald Seymour Books in Order

Now on MI5's China desk, Jonas Merrick tracks a deep‑cover Chinese agent targeting a young scientist developing GPS‑free missile guidance in Britain. At the same time, Russian intelligence moves to settle old scores, forcing Jonas to juggle overlapping enemies who all want his head.

Shifted to the "backwater" of organised crime, Jonas Merrick builds an operation around a semi‑submersible carrying cocaine from South America to Spain. On a Spanish beach and a Liverpool street, undercover officer Kenny Blake and rival crime families converge on a landing that cannot go unnoticed.

When a Russian military intelligence officer defects in Denmark and is swiftly targeted for assassination, suspicion falls on a mole inside MI6. Recalled from retirement, Jonas Merrick interviews the small circle of insiders while violence flares in Scandinavia and Moscow tightens the screws.

Jonas Merrick, an MI5 analyst mocked for never leaving his desk, spots signs that a British jihadist survivor from Syria is heading home with murder in mind. As the threat closes in on southern England, Jonas must finally step into the field to try to stop him.

Gaz Baldwin, a British watcher traumatised by an atrocity he observed in Syria, hides as a handyman on the Orkney islands. When an old‑school MI6 operator learns the Russian officer responsible is now in Murmansk, Gaz is pulled back to identify the man for an off‑the‑books assassination.

MI6 case officer Edwin "Boot" Coker turns a captured Russian hacker into an unwilling guide to a secret gathering of state‑sponsored cyber criminals. To hit them, he recruits Merc, a battle‑hardened mercenary, to carry a bomb across the Estonian border and into the heart of the operation.

Undercover policeman Andy Knight has infiltrated a British extremist cell intent on importing AK‑47s from Marseille. As he grows close to Zeinab, the radicalised student at its centre, one battered rifle's long journey across decades of conflict runs alongside their dangerous trip.

Legendary MI6 officer Corrie Rankin is sent back into the field to exploit a chance to hit a key al‑Qaeda facilitator in Yemen. With a less‑than‑elite sniper team and a fragile local source, he must carry out a deniable mission across empty desert and shifting loyalties.

Banker Jago Browne sees a young Italian gangster violently shaking down a Berlin café owner and cannot let it go. Tracking the man back to his powerful 'Ndrangheta family in Calabria, Jago becomes an uninvited player in a dangerous game between prosecutors and a clan that owns its territory.

Years after the peace deal in Northern Ireland, old grudges simmer in rural Tyrone. MI5 drags former agent‑runner Danny Curnow, code‑named Vagabond, out of retirement to manage a risky operation involving Russian arms dealers and hard‑line republicans who refuse to let the war end.

Farideh's husband, a low‑ranking driver in Iran's Revolutionary Guard, has been trapped in a honey‑trap and is being debriefed in a Western safe house. He will only talk if she is smuggled out of Tehran, forcing a small team of ex‑soldiers and a student linguist into the regime's heartland.

Ten years after a young agent is kicked to death in Budapest, former MI5 officer Winnie Monks hears that the Russian crime boss responsible is headed to Spain. She installs a team in the empty villa next door, only to find a young British couple already house‑sitting there.

MI6 targets the engineer behind devastating roadside bombs used in Iraq and Afghanistan, but first needs to know when he will leave his home in Iran. Two surveillance specialists crawl into a covert hide near his marsh‑side house, knowing capture will mean torture and official denial.

Eighteen years after a botched arms deal during the Croatian war, villagers finally learn the name of the Englishman they blame for their slaughter. They hire a London hitman to exact revenge, only to discover how tangled the past becomes once the gun is raised again.

Immacolata Borelli, a student in London and daughter of a powerful Camorra clan, is shaken when a friend's death is traced to her family's toxic business. Choosing to testify against them, she endangers herself and her English boyfriend as Naples closes in.

In 1992 a sacked security officer from a secret Russian facility buries a compact nuclear device. Sixteen years later a buyer emerges, and an undercover British policeman travelling with him must decide how far he will go to stop the sale from succeeding.

A shy young man leaves a remote Saudi village, committed to becoming a suicide bomber in England. In London, armed protection officer David Banks wrestles with doubts about his job as he tracks an attack that forces both men to question what they believe.

Branded a coward after an ambush in Iraq, former intelligence officer Malachy Kitchen drifts into a grim London housing estate. When an elderly neighbour is mugged, he begins targeting the drug network that rules the blocks, colliding with an international plot that uses the same routes.

Once an ordinary British teenager, Caleb reinvented himself as Abu Khaleb and attached himself to al‑Qaeda. Freed from Guantanamo by posing as a harmless taxi driver, he treks across the Saudi desert toward a deadly mission while US and UK teams scramble to understand his true value.

For years, Russian naval officer Viktor Archenko has secretly supplied intelligence to MI6. When suspicion falls on him and the flow of information stops, a last‑chance operation is launched to extract him from a fortified base in Kaliningrad before the window closes.

London crime boss Mister Albert Packer believes he is beyond the law and heads to post‑war Sarajevo to strike deals with other major players. Customs investigator Joey Cann follows, using the chaos of Bosnia to try to bring down a man who thinks he is untouchable.

Civilian marksman Gus Peake travels to northern Iraq to help Kurdish fighters by taking on Saddam's forces at long range. His presence draws Iraq's best sniper to the battlefield, turning the conflict into an intense, personal duel played out across harsh terrain.

Frank Perry once had rare access to Iran's chemical‑weapons sites and helped cripple its programme. Now hiding in an English coastal town, he is hunted by an Iranian assassin, while nervous neighbours begin to see him as the real threat to their quiet lives.

British army corporal Tracy Barnes witnesses her lover's killing by the East German secret police just before the Wall falls. Years later, in a supposedly reunited Germany, she returns to confront the man responsible, only to find old loyalties still shape new power.

Schoolteacher Charley Parsons agrees to work as a nanny in Palermo for the family of Peppino Ruggerio, brother and money man to a hidden Sicilian drug lord. Recruited by investigators, she becomes a fragile bridge into a mafia empire built on heroin.

When the mutilated body of an Englishwoman is found in a Croatian mass grave, her estranged mother hires investigator Bill Penn to find out what happened. His search through a ravaged landscape brings him face to face with war criminals and his own idea of justice.

Gord, an ex‑SAS soldier haunted by the West's betrayal of the Kurds, heads to Guatemala to fight alongside guerrillas in their own unwinnable war. Back in Britain, officials debate whether to rescue or sacrifice the troublesome hero they would rather forget.

On the eve of Iraq's invasion of Kuwait, young FBI agent Bill Erlich tracks a British‑born assassin working for Baghdad across Europe and back to England. His hunt uncovers a plan to draw a disillusioned nuclear scientist into Saddam Hussein's weapons program.

Deep in rural County Tyrone, rumours swirl that the Provisional IRA has a traitor in its ranks. MI5 handler Cathy Parker and field agent Gary Brennard fight to protect their prized informer as suspicion rises and innocent neighbours risk being swept up in the purge.

Veteran MI6 officer Mattie Furniss runs Iranian sources from London, including Charlie Eshraq, whose drug‑smuggling bankrolls a private vendetta. When a minister's daughter dies of an overdose, political fury and inter‑service rivalry leave both men dangerously exposed.

After a British diplomat is murdered on the steps of a hotel in Yalta, an operation is mounted to hit back. Survivor Holt must walk into Lebanon's Beqaa Valley with an Israeli sniper to identify the killer inside a heavily guarded Palestinian camp.

In apartheid‑era South Africa, a British undercover agent sits on death row after years inside the regime's prisons. The son he abandoned decades earlier travels south, determined to free a father he barely knows from a system built to crush dissent.

Sean McNally, a seasoned IRA gunman, is coerced into one last operation and then arrested, facing a lifetime behind bars. Offered a deal if he turns informer, he becomes entwined with reluctant British lieutenant Ferris in a tense duel of trust and betrayal.

SAS captain Barney Crispin is sent to the Afghan border with a handful of Stinger missiles to help the mujahideen bring down Soviet helicopter gunships. When the operation falls apart, he crosses into Afghanistan himself, driven by duty and a need to finish the job.

Mechanical engineer Michael Holly agrees to courier a package for British intelligence while on business in Moscow, only to be arrested by the KGB. Reclassified as a Soviet citizen and shipped to a remote gulag, he becomes the unlikely spark for a dangerous prison revolt.

A disgraced British officer is offered redemption if he escorts a high‑value Soviet scientist across the treacherous East–West German border. The mission demands absolute nerve, but the closer they get, the murkier the motives on both sides become.

When Italy's most feared female terrorist is captured, her lover seizes a British businessman to force her release. French and British authorities scramble to manage the kidnapping as personal loyalties and state interests pull in opposite directions.

In 1970s Ukraine, three young Jewish dissidents hijack a Soviet airliner in a bid to reach Israel and freedom. As Western governments argue over what to do, MI6 man Charlie Webster tries to keep both passengers and hijackers alive amid Cold War posturing.

In London, a Palestinian militant and an IRA gunman team up to assassinate Israel's leading nuclear scientist. Alcoholic, burned‑out security man Jimmy is tasked with protecting the target, pitting one damaged survivor against two fanatics on a collision course.

A British cabinet minister is shot by an IRA gunman, and undercover soldier Harry Brown is sent alone into Belfast to find the killer. Living under cover on the Falls Road, he discovers how blurred the lines between hunter and hunted can become.