Mark T Sullivan Books in Order

In 1944, Emil and Adeline Martel, ethnic Germans who have farmed in Ukraine for generations, must choose between remaining under Stalin or fleeing west with retreating Nazi forces. Their journey across a collapsing Europe tests their marriage, their faith, and their determination to find a peaceful home.

Based on a true story, this novel follows Milan teenager Pino Lella, who first guides Jewish refugees over the Alps and then, in an SS uniform, becomes driver to a powerful Nazi general. Secretly spying for the Allies, he risks everything for his family, his country, and the woman he loves.

Two years after averting disaster at the World Cup, Jack Morgan returns to Rio de Janeiro to oversee security for the Olympic Games. As prominent clients disappear and a deadly virus threat surfaces, he races through the city’s favelas and stadiums to stop a catastrophe on the world stage.

Planning a quick visit to Private’s Paris office, Jack Morgan instead agrees to track down a wealthy client’s runaway granddaughter. When members of the city’s cultural elite start turning up dead, marked by a cryptic graffiti tag, Jack’s search collides with simmering tensions on the streets of Paris.

At a lavish Christmas party thrown by a ruthless power broker, Robin Monarch breaks into a secret vault and barely escapes with his life. The haul points him toward a lost Amazonian tribe whose knowledge could change the world, sending him deep into the jungle to stop others exploiting it.

Hollywood’s golden couple, Thom and Jennifer Harlow, vanish from their guarded Los Angeles estate, and Private founder Jack Morgan is hired to find out whether they’re missing or dead. As he digs, he uncovers a carefully managed image, dangerous secrets, and a violent extortion ring terrorizing the city.

When star investigator Chris Schneider vanishes while working a case for Private’s Berlin office, his colleague and former lover Mattie Engel takes the search personally. Following clues through Cold War ruins and her own painful past, she uncovers a killer who has been perfecting his craft for decades.

During secret talks aboard a tanker in the South China Sea, the U.S. Secretary of State and the foreign ministers of China and India are kidnapped. Former CIA operative Robin Monarch dives into the criminal underworld of Southeast Asia, uncovering a plot that reaches straight into the White House.

This collection gathers three high-octane Robin Monarch stories that trace his evolution from Buenos Aires street thief to covert operator. Each tale drops him into an impossible mission, highlighting the personal code and divided loyalties that drive the full-length novels.

A naked tourist dies in a San Diego luxury resort, his body ravaged as if by disease but actually killed by a rattlesnake. Detective Seamus Moynihan’s investigation pulls him into black-market reptiles, erotic rites, and a fanatical cult fixated on the second woman after Eve.

To stop a brutal Congolese warlord funding his army of boy soldiers, Robin Monarch goes undercover as a diamond dealer inside the man’s jungle camp. His mission is simple but nearly suicidal: steal a legendary gemstone and fight his way back out.

World-class thief and covert operative Robin Monarch is ordered back into CIA service to snatch a Russian nuclear scientist selling secrets to Iran. He must kidnap, interrogate, and then return the man without any side ever realizing he was taken.

Private London investigator Peter Knight is racing to secure the 2012 Olympic Games when a top official is murdered. As a killer calling himself Cronus targets those he deems corrupt, Knight and reporter Karen Pope must stop a campaign of terror before the games are destroyed.

Locked inside the military supermax at Leavenworth, Robin Monarch is offered a single chance at freedom: steal a closely guarded object from the heart of a war zone and escape alive. Flashbacks to his youth in a Buenos Aires thieves’ guild reveal how he became the man who might pull it off.

Once the CIA’s best black-ops specialist, Robin Monarch walked away mid-mission and reinvented himself as a high-end thief. When a jewel heist in St. Tropez goes wrong, he is forced back into the operation he abandoned, racing ruthless enemies to control a terrifying weapons technology.

On New Year’s Eve at Montana’s ultra-exclusive Jefferson Club, a militant group storms the resort and puts the world’s richest men on live-streamed trial for crimes against humanity. Security chief Mickey Hennessy and his hidden teenage triplets must outwit the gunmen before markets and lives implode.

San Diego homicide detective Seamus Moynihan is drawn into a series of bizarre murders in which victims die from exotic poisons and snakebites. Following a trail of scripture, serpents, and obsession, he chases a Bible-quoting killer from city streets to a secretive snake-handling church.

Marine biologist and cave researcher Whitney Burke swore she would never go underground again after a fatal accident. When criminals hijack a NASA training expedition that includes her husband and daughter, she must face flooding tunnels, rockfalls, and her own terror to bring them out alive.

After washed-up filmmaker Patrick Gallagher hauls a mutilated body from a Vermont river, his quiet retreat turns into a nightmare. Partnering with haunted police officer Andi Nightingale, he uncovers a town’s century-old crime and the eerie spiritual legacy it left behind.

Third-generation tracker Diana Jackman joins an exclusive deer hunt on an isolated estate in the snowy wilds of British Columbia. When an unseen killer begins stalking the party, she must revive her buried skills and confront a violent legacy to survive.

Burned-out reporter Gideon McCarthy is barely holding his life together when a murdered call girl leads him to a story that could save his career. As he digs into police corruption, real-estate scams, and rival newspapers, he discovers that chasing the truth may cost him everything.

Adrenaline-addict Jack Farrell thinks he has escaped his past after laundering money for a South American drug cartel and vanishing into a Utah ski town. When a reckless ski-film director lures him back onto the slopes, old enemies and buried guilt close in.