Oscar F. Ortiz Books in Order

As the Cold War intensifies, Soviet plans threaten Manhattan with a concealed nuclear weapon. Colonel Marlon Berkowitz forms a disposable covert unit and recruits sniper Patrick Coonan to eliminate the saboteurs operating in America.

Patrick Coonan and fellow agent Jessica Fitts travel to Colombia to stop an arms marketplace supplying guerrillas and terrorists. Working with an unpredictable Russian operative, they discover that preventing catastrophe may require dangerous alliances.

After the Cold War, reports of a former Soviet operative working with the Russian Mafia prompt a covert mission into America's East Coast underworld. Colonel Berkowitz needs Patrick Coonan, but his former troubleshooter has disappeared.

Agents Delta and Phi head to Aruba to dismantle a money-laundering operation on Eagle Beach. Their targets have built a network handling criminal profits from across the world, linking organized crime with cartels and terrorist groups.

Former Special Forces operative Alec Wars is caught in the aftermath of a secret experiment in New York's subways. Assassins, compromised intelligence personnel, and advanced weapons force the reluctant cleaner to trust his instincts to survive.

Patrick Coonan travels to Barranquilla to locate a missing American submarine. With his usual partner unavailable, he teams up with an unpredictable explosives specialist whose volatile temperament adds another complication to an already dangerous recovery mission.

The killing of a Canadian couple aboard their yacht draws Agent Delta, Patrick Coonan, into a dangerous investigation. An unidentified saucer-shaped aircraft and a lost American government secret point him toward the waters off Cabo San Lucas.