Gray Man

Mark Greaney

Court Gentry—the Gray Man—is a former CIA operative turned elusive assassin-for-hire, accustomed to operating alone and leaving no trace. After a mission in the Middle East goes dangerously wrong, he discovers that powerful forces, including former allies, have marked him for death and sent an array of highly trained killers to eliminate him. Hunted across international borders, Gentry must rely on his instincts, ingenuity, and hard-won survival skills while unraveling the betrayal behind the bounty on his head. A relentlessly paced debut thriller, the novel combines cinematic action with themes of loyalty, political power, betrayal, and the uneasy humanity of an antihero.

Mark Greaney

After five years on the run from the CIA, master assassin Court Gentry is hiding deep in the Amazon rainforest when a ruthless Russian crime lord begins closing in. The murder of an old friend draws Gentry into a dangerous mission against a powerful Mexican drug cartel, while Colombian paramilitaries and other enemies pursue him across a volatile landscape. Combining international espionage, criminal underworld intrigue, and relentless action, the novel explores loyalty, revenge, and the cost of living beyond the reach of the law.

Mark Greaney

Four years after being betrayed by the CIA, Court Gentry—known as the Gray Man—has built a dangerous new life under the direction of a Russian crime lord. When he is sent to eliminate an Irish hitman, Gentry uncovers a conspiracy that draws him into a far more perilous mission: capturing the president of Sudan while protecting an International Criminal Court investigator stranded in war-torn Darfur. Hunted by ruthless enemies and forced to navigate desert combat, political intrigue, and shifting loyalties, Gentry must rely on his lethal skills and uneasy conscience to survive. Fast-paced and cinematically detailed, this action thriller explores betrayal, moral responsibility, and the cost of living as a professional assassin.

Mark Greaney

Court Gentry—the legendary Gray Man and former CIA assassin—has made a life of disappearing into the shadows, but his past is about to catch up with him. When a fellow assassin with a personal connection begins hunting him, Gentry infiltrates the home of powerful Russian crime boss Gregor Sidorenko, setting in motion a deadly game of pursuit and deception. Blending international intrigue, relentless action, and the moral complexities of a life shaped by violence, this tense thriller follows one man’s fight to stay alive when nowhere is safe.

Mark Greaney

After years in the shadows, Court Gentry—known as the Gray Man—returns to the United States to uncover why his former CIA employers have issued a shoot-on-sight order against him. With enemies closing in on American soil, Gentry must navigate a deadly conspiracy while confronting the secrets and betrayals that made him a target. Fast-paced and relentlessly suspenseful, the novel combines international espionage, tactical action, and the moral complexities of loyalty, justice, and survival.

Mark Greaney

Court Gentry, the elite assassin known as the Gray Man, is drawn into the Syrian civil war when a dangerous assignment places him against a brutal regime. Hired to extract the Syrian president’s mistress and rescue her infant son, Gentry must navigate a volatile conflict where shifting alliances, political intrigue, and relentless enemies make every move perilous. Blending high-stakes espionage, military action, and international suspense, the novel delivers a fast-paced thriller that tests Gentry’s resourcefulness, loyalties, and resolve.

Mark Greaney

When a Chinese intelligence officer with vital secrets seeks refuge in Hong Kong, CIA contract operative Court Gentry—the Gray Man—is sent to extract him before rival agencies can silence him. The mission draws Gentry into a dangerous international pursuit spanning espionage, cyberwarfare, and shifting political loyalties, forcing him to question whom he can trust and what his assignment truly demands. Blending rigorous geopolitical detail with relentless action, this installment explores the moral costs of covert operations and the uneasy line between duty, survival, and conscience.

Mark Greaney

After a prisoner transfer in England erupts into a deadly ambush, Court Gentry—the Gray Man—is drawn into a hunt for a mole buried deep within the CIA. As agency secrets, covert alliances, and rival intelligence operations collide, Gentry must unravel the conspiracy before its architects can unleash a catastrophic biological attack on an international conference in Scotland. Racing across Europe against a merciless clock, he faces elite operatives, hidden loyalties, and enemies who seem to anticipate his every move. A hard-charging modern spy thriller, the novel combines relentless action with intricate plotting, espionage, and the high-stakes question of whom to trust.

Mark Greaney

While on a mission in Croatia, elite operative Court Gentry—the Gray Man—uncovers a brutal human-trafficking network stretching across the Balkans and reaching into Hollywood. As he follows the trail through Eastern Europe, Court confronts ruthless criminals, powerful interests, and the devastating human cost of exploitation. Fast-paced and uncompromising, the novel combines globe-spanning espionage with a morally charged investigation into trafficking, corruption, and the lengths one man will go to protect the vulnerable.

Mark Greaney

Twelve years before he becomes the CIA’s most elusive contract assassin, Court Gentry is a young operative newly assigned to the covert Sierra Six team. In the present day, a dangerous mission arranged through the dark web forces him to confront threats rooted in that formative chapter of his career. Moving between past and present, this high-octane thriller explores loyalty, identity, sacrifice, and the making of a legendary spy as the two timelines converge in a desperate fight for survival. Mark Greaney combines intricate international intrigue, vivid action, sharp dialogue, and compelling character development in a gripping origin story for the Gray Man.

Mark Greaney

When intelligence operatives begin disappearing across the globe, Court Gentry—the Gray Man—is sent to Venezuela to retrieve a missing American agent. After surviving an ambush, Court escapes with a crucial piece of intelligence, drawing him into a deadly international conspiracy where every ally may be expendable. In Berlin, CIA agent Zoya Zakharova infiltrates a private intelligence firm with dangerous connections, only to find herself caught in the same widening web of betrayal and pursuit. As Court and Zoya race across a shifting geopolitical chessboard, they must rely on instinct, skill, and ruthless determination when running is no longer an option.

Mark Greaney

Court Gentry, the Gray Man, is drawn into a dangerous hunt for a Ukrainian banker carrying explosive evidence of a vast Russian financial network. As intelligence agencies, oligarchs, and criminal operatives converge on the trail, Gentry must navigate shifting loyalties while pursuing a mission that could expose covert operations across the globe. Joined—and at times opposed—by former lover Zoya Zakharova, he races from European banks to Caribbean waters in a relentless struggle for survival. Blending geopolitical intrigue, financial espionage, and high-octane action, this installment delivers the propulsive pacing and morally complex clandestine warfare that define the Gray Man series.

Mark Greaney

When leading robotics and artificial-intelligence experts begin dying in seemingly unrelated incidents around the world, the Gray Man is drawn into a lethal struggle over the future of warfare. Seeking a quiet life in Central America with Zoya Zakharova, he is forced back into action after an encounter with an old associate places them—and a hunted Russian scientist—in the crosshairs of powerful enemies. As assassins close in and every escape route disappears, they must confront a threat that is as technologically sophisticated as it is ruthless. Blending high-stakes espionage, relentless action, and timely questions about technological power, loyalty, and the human cost of innovation, this installment delivers another tense chapter in the Gray Man series.