Books like Closed Circle by Robert Goddard

Jack Reacher, an elite U.S. military investigator, faces a deadly conspiracy after a two‑star general’s murder in North Carolina, leading him from rural army posts to the streets of Paris in a high‑stakes hunt for truth.

Richard Hannay, a bored Londoner who returns from South Africa, is thrust into a high‑stakes espionage chase after a murder tied to an assassination plot, forcing him to flee to Scotland and outwit his pursuers.

Dan Simmons’ historical thriller follows Charles Dickens after a train accident in 1865, reexamining his life, London society, and the unresolved mystery of his final unfinished novel.

John le Carré’s thriller follows a former spy who infiltrates an international arms and drug cartel, revealing the dark underbelly of global crime and the moral ambiguity that defines modern espionage.

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Detective William Monk investigates the murder of arms dealer Daniel Alberton while a romantic entanglement between Alberton’s daughter and the American Lyman Breeland threatens to eclipse the crime.

After the Treaty of Versailles talks, a British diplomat’s mysterious death in Paris sparks an ex‑fighter pilot’s quest for truth, plunging him into a web of intrigue amid the post‑war peace conference.

Intelligence officer John Smith races against time to uncover the truth behind an anti‑technology movement blamed for a deadly protest at a nanotechnology research facility.

Jake is a journalist in a post-World War II Berlin trying to solve the mystery of a murder and the disappearance of a scientist.

A photojournalist survives a harrowing helicopter crash in Africa, while a prison escapee rises with a terrorist plan linked to Nikola Tesla’s notebooks and a Native American visionary.

Former fighter pilot turned CEO John "Jett" Gavallan races against time to secure a billion-dollar IPO while uncovering a conspiracy that threatens global finance and his own life.

Intelligence operative Sean Dillon’s routine passport check at Heathrow turns into a deadly mission to rescue a kidnapped girl and confront a ruthless Bedouin clan, unleashing a chain of violence and personal revenge.

Former CIA operative Lemuel Gunn turns to private investigation in New Mexico, where a mysterious bail bonds case and a vanished drug dealer pull him into a tense, drug‑fueled thriller.

"I very much need to be dead." These are the chilling last words left by a man who had everything to live for but took his own life. In the void that remains stands his widow, FBI agent Jane Hawk, surrounded by questions destined to go unanswered unless she does what all the grief and fury inside her demand: Find the truth, no matter what. People of talent and accomplishment, people seemingly happy and sound of mind, have recently been committing suicide in surprising numbers. A disturbing pattern is beginning to emerge. Jane is determined to give up everything to find out why. And if that means going rogue and becoming America's Most Wanted, then so be it. Those arrayed against her are legion, and devoted to protecting something profoundly important-or terrifying-enough to exterminate any and all in their way. But Jane is as clever as these enemies are cold-blooded, as relentless as they are ruthless. And she is driven by a righteous rage they can never comprehend. Because it is born of love.

Earl Swagger, a former Marine, is sent by the CIA to 1950s Cuba to eliminate the young revolutionary Fidel Castro, but the mission forces him to confront his ideals of honor amid the early Cold War chaos.

Suspended MI6 officer Daniel Marchant must stop an explosive threat at the London Marathon while questioning his loyalty—and that of those around him—amid tense US‑MI6 relations.

Set on a hot summer day in Avebury, an ordinary afternoon at the Red Lion pub is shattered when a child is abducted, sparking a suspenseful investigation that could reveal deeper secrets in this English thriller.

De dochter van een Servische oorlogsmisdadiger probeert het familiekapitaal veilig te stellen en deinst daartoe voor niets terug.

When WWII threatens Britain, former Churchill aide Maggie Hope is shipped to Windsor Castle to tutor Princess Elizabeth in math—only to find a deadly conspiracy that endangers the royal family and the nation.