Gray Man Books in Order
Part ofMark Greaney Books in OrderSee the Gray Man series by Mark Greaney in order, with a full book list, short plot notes, series background, and simple guidance on how to follow Court Gentry’s missions.
Last updated: December 26, 2025
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Publication Order
15 books
The Hard Line
by Mark Greaney
2026
Now working with an off the books team in Virginia, the Gray Man hunts the killers targeting America’s counterintelligence community. When a legendary assassin with a personal grudge comes after him, Court has to defend both his found family and the father he barely knows.
Midnight Black
by Mark Greaney
2025
With his partner Zoya presumed dead and actually imprisoned in a remote Russian penal colony, Gentry spends months clawing for a way into Russia. Teaming with dissidents and ex-spies, he mounts a near suicidal rescue behind enemy lines.
The Chaos Agent
by Mark Greaney
2024
A mysterious client uses a powerful artificial intelligence to coordinate assassinations and attacks around the globe. Court Gentry and Zoya Zakharova race to trace the code and the money before the system turns modern technology into a weapon of mass chaos.
Burner
by Mark Greaney
2023
Gentry and his partner Zoya Zakharova chase the same Ukrainian banker for different masters as Russian intelligence closes in. To keep a cache of explosive financial data from triggering wider war, they must navigate oligarchs, mobsters, and betrayed allies.
Sierra Six
by Mark Greaney
2022
Alternating between his first days on a CIA paramilitary team and a present day manhunt, Court Gentry tracks a terrorist he once failed to kill. The mission forces him to confront what his early covert work really cost.
Relentless
by Mark Greaney
2021
Sent to grab a vanished NSA expert, Gentry uncovers a program that exposes the identities of Western intelligence officers. His search for the source pulls him through Caracas and Berlin as rival services maneuver toward a proxy war between Iran and the United States.
One Minute Out
by Mark Greaney
2020
On a vengeance mission in the Balkans, Gentry stumbles onto a pipeline moving trafficked women across Europe and into the United States. Determined to tear it apart, he joins forces with an investigator hunting for her missing sister.
Mission Critical
by Mark Greaney
2019
A routine transport flight turns into chaos when a CIA prisoner is snatched in a commando assault on a British airbase. Gentry chases the kidnappers across Europe and uncovers a mole inside the Agency tied to a looming biological attack.
Agent in Place
by Mark Greaney
2018
Hired by Syrian exiles, Court Gentry kidnaps the glamorous mistress of a brutal dictator in Paris, expecting a simple grab and run. When she reveals she has a secret child inside Syria, Gentry is pulled into the heart of a civil war to save them both.
Gunmetal Gray
by Mark Greaney
2017
Cleared by the Agency, Gentry returns to CIA contract work on a mission to locate a rogue Chinese cyber warfare specialist. From Hong Kong to Southeast Asia, he must outfight triads, commandos, and rival intelligence services to bring the hacker in alive.
Back Blast
by Mark Greaney
2016
After years as a fugitive, the Gray Man slips back into Washington, D.C. to learn why the CIA ordered him killed. As he digs into the failed operation that ruined him, he draws fire from spies, politicians, and criminal allies who need the truth buried.
Dead Eye
by Mark Greaney
2013
Court Gentry becomes the hunted when a fellow graduate of his secret CIA program, the sniper known as Dead Eye, is sent to kill him. Their cat and mouse chase collides with a plot to strike at Israel and ignite wider conflict.
Ballistic
by Mark Greaney
2011
On the run from a vengeful Russian mobster, Court Gentry heads to Mexico to visit the family of an old friend and finds them under siege by a cartel. His promise to protect them drags him into a brutal narco war.
On Target
by Mark Greaney
2010
Gentry is forced back into the game when Russian criminals and the CIA both push him toward the same target, the president of Sudan. Caught between assassination and rendition, he has to decide whose deal to honor and how to stay alive.
The Gray Man
by Mark Greaney
2009
Court Gentry, the legendary Gray Man, is betrayed by his former CIA employers and hunted across Europe by mercenary teams hired by a powerful corporation. To survive, he must rescue his kidnapped handler and family while outwitting every nation on his trail.
Series background & context
The Gray Man books follow Court Gentry, a former CIA paramilitary operator who now works as a deniable assassin with his own rough moral code. To most of the world he is a rumor, a figure who appears in the worst places on earth and then vanishes.
In the opening novel, The Gray Man, Gentry is betrayed and marked for death by people who once called him an asset. Corporate interests, intelligence services, and hired killers close in as he fights his way across Europe to rescue the family of the handler who sold him out. That mix of personal loyalty, political money, and relentless pursuit sets the tone for everything that follows.
Early entries like On Target, Ballistic, and Dead Eye push Court into conflicts he did not start, from Sudanese power struggles to brutal Mexican cartel wars and duels with other elite assassins. He is always outgunned and outnumbered, relying on improvisation, stubbornness, and a small network of friends rather than official backup.
With Back Blast and Gunmetal Gray, the series pivots from pure man on the run storylines to a deeper look at why the CIA turned on him in the first place. Gentry returns to Washington to confront the decision that made him a target, then edges back into the fold as a contract operator chasing a rogue Chinese cyber specialist across Asia.
Later books insert him into some of the ugliest problems in the modern world. Agent in Place drops him into the Syrian civil war, Mission Critical and Relentless revolve around moles, databases, and proxy battles between rival powers, while One Minute Out takes on human trafficking from the Balkans to Los Angeles. The more recent novels, including Sierra Six, Burner, The Chaos Agent, and Midnight Black, braid his past and present, pairing large scale threats like artificial intelligence driven warfare and the Russian invasion of Ukraine with painful questions about who he can still trust.
Across the series the cast slowly widens. Former Russian intelligence officer Zoya Zakharova becomes both partner and love interest. Old comrades such as team leader Zack Hightower and spymaster Matthew Hanley move in and out of the shadows, sometimes as bosses, sometimes as the last people Gentry can call when everything goes wrong.
The tone is hard edged but human. Readers get detailed gunfights, tradecraft, and international settings that come from Greaney’s on the ground research, yet the books keep circling back to loyalty, friendship, and the physical and psychological wear of life as a deniable asset. This page lines up the Gray Man novels in order, explains how they connect, and helps you decide where to jump into Court Gentry’s world.
Edited by
Software engineer whose passion for tracking book recommendations from podcasts inspired the creation of MRB.
Lead investor at 3one4 Capital whose startup expertise and love for books helped shaped MRB and its growth.

































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