Mark Greaney Books in Order
Browse all Mark Greaney books in order, from the Gray Man to Tom Clancy titles, with quick summaries, series backgrounds, and clear tips on where to start.
Last updated: December 26, 2025
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Publication Order
25 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.
Sentinel
by Mark Greaney
2024
Working for Diplomatic Security in Ghana, Josh Duffy and his wife Nichole expect a quiet posting that can include their kids. When a Chinese backed plot sparks a coup and attacks a key dam, the Duffys must keep their principals and family alive in a country sliding into war.
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.
Armored
by Mark Greaney
2022
Josh Duffy, a former Army infantryman turned bodyguard, lost his leg on a job and is barely getting by as a mall cop. A last chance contract escorting a UN mission into cartel country in Mexico offers real money, but the convoy walks straight into a betrayal.
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.
Red Metal
by Mark Greaney
2019
In this standalone military epic, a desperate Russian leadership launches a surprise offensive in Europe and East Africa to seize a rare earth mine. Soldiers, pilots, and partisans on several continents scramble to stop the blitz before it triggers a world war.
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.
True Faith and Allegiance
by Mark Greaney
2016
A stolen security database turns millions of U.S. military and intelligence personnel into targets. As terrorists and hostile states use the information to stage attacks at home and abroad, President Jack Ryan and the Campus race to plug the breach and protect their own.
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.
Commander-in-Chief
by Mark Greaney
2015
Russian president Valeri Volodin quietly stirs up crises across Eastern Europe and the North Atlantic to restore his country’s power. President Jack Ryan and the Campus piece together tanker explosions, cyberattacks, and submarine ambushes before the shadow war turns open.
Support and Defend
by Mark Greaney
2014
Campus operator Dom Caruso investigates a devastating leak of classified National Security Council files, tracing it to an idealistic staffer in over his head. As foreign agents move to seize the stolen data, Dom has to decide how far he will go to stop another catastrophe.
Full Force and Effect
by Mark Greaney
2014
Jack Ryan, now president, faces a North Korean regime using rare earth mining and covert deals to fund an ambitious nuclear program. While Ryan maneuvers diplomatically, the Campus follows assassins and money trails to keep a new missile from threatening the world.
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.
Command Authority
by Mark Greaney
2013
A resurgent Russia uses covert funds and deniable forces to pressure its neighbors, echoing a long-buried KGB scheme Jack Ryan once faced as a CIA officer. Now president, he relies on Jack Jr. and the Campus to expose the network before tanks roll.
Threat Vector
by Mark Greaney
2012
Chinese hard-liners unleash a wave of cyberattacks and covert operations aimed at pushing the U.S. out of the Pacific. As Jack Ryan Sr. faces a diplomatic crisis, the Campus fights assassins and malware that threaten both national security and its own survival.
Locked On
by Mark Greaney
2011
A rogue Pakistani general edges toward a nuclear showdown with India while a political rival frames Jack Ryan Sr. for scandal. The Campus and Jack Ryan Jr. chase weapons and secrets across continents to stop a strike that could ignite regional war.
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.
Where should I start?
If you want his story from the beginning: The Gray Man → On Target → Ballistic
If you prefer to jump into the modern CIA arc: Back Blast → Gunmetal Gray → Agent in Place
If you like big canvas military action: Red Metal (standalone) → The Gray Man
If you want his Tom Clancy work: Locked On → Threat Vector → Command Authority → Support and Defend
If you enjoy team focused security thrillers: Armored → Sentinel
Author bio
Mark Greaney grew up in Memphis, Tennessee, where news, war stories, and global politics were part of everyday conversation. His father, Ed Greaney, spent decades in local television news, and that steady stream of real world drama left a mark.
Greaney stayed in Memphis for college, studying political science and international relations at what is now the University of Memphis. He imagined a career in diplomacy or government, spent hours reading about far flung conflicts, and quietly soaked up how power and policy actually work.
Writing came later. Through his twenties and thirties he waited tables, tended bar, sold computer gear, and worked for a medical device company while devouring thriller novels in his spare time. A chance encounter with Tom Clancy’s Patriot Games turned casual reading into a full blown obsession with espionage fiction.
Greaney started drafting his own stories on the side, teaching himself how to build plots between long workdays. One early manuscript, a Bosnia set novel called Goon Squad, did not sell, but it introduced a secondary character named Court Gentry. An agent encouraged Greaney to forget the old book and write a new one built around that quiet, lethal operator.
The result was The Gray Man, published in 2009. The novel launched Court Gentry, a former CIA assassin turned hunted freelancer, and kicked off a long running series of globe trotting thrillers. The books climbed bestseller lists and, years later, the first novel was adapted into a big budget film, bringing Greaney’s once private daydreams to a worldwide audience.
In the Gray Man novels, including On Target, Ballistic, Back Blast, Gunmetal Gray, One Minute Out, Burner, The Chaos Agent, and Midnight Black, readers follow Gentry through ambushes, betrayals, and uneasy alliances. The stories lean on tense action and technical detail, but they also circle questions about loyalty, conscience, and what it costs to live in the shadows.
Greaney’s reputation grew even further when he stepped into Tom Clancy’s Ryanverse. First he co wrote Locked On, Threat Vector, and Command Authority with Clancy himself. After Clancy’s death he continued the universe with solo novels such as Support and Defend, Full Force and Effect, Commander in Chief, and True Faith and Allegiance, moving Jack Ryan and The Campus into twenty first century crises.
Research sits at the center of his process. Greaney has traveled to dozens of countries, from European capitals to war shaped landscapes, scouting locations he later turns into set pieces. He has visited the Pentagon and other government facilities, trained with firearms instructors and tactical teams, and taken courses in close quarters combat and battlefield medicine so that the small details on the page feel lived in.
More recently he has expanded beyond Court Gentry and Jack Ryan. Red Metal, written with Marine officer Rip Rawlings, imagines a modern large scale war across Europe and Africa. The Joshua Duffy books, starting with Armored and Sentinel, follow a wounded former soldier who returns to high risk protection work while trying to keep his family intact.
Through all of it, Greaney has stayed rooted in Memphis. He still lives in his hometown with his wife, three stepchildren, and a crowd of dogs, splitting his time between research trips and days at the desk. The result is a steady stream of fast moving thrillers that carry the stamp of someone who has done the legwork and still loves the genre that first pulled him in.
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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