Navy SEAL turned covert Homeland Security operative Scot Harvath must race to locate an ancient secret that has the power to stop militant Islam dead in its tracks.

When American doctor Julia Gallo is kidnapped in Afghanistan, the terms of her ransom leave the president with only one course of action: send covert counterterrorism operative Scot Harvath to free the man the kidnappers demand as ransom--al-Qaeda mastermind, Mustafa Khan.

"In the war-ravaged borderlands of Ukraine, a Russian military unit has gone rogue. Its members, conscripted from the worst prisons and mental asylums across Russia, are the most criminally violent, psychologically dangerous combatants to ever set foot upon the modern battlefield. With all attention focused on the frontlines, they have pushed deeper into the interior to wage a campaign of unspeakable barbarity. As they move from village to village,...

When a string of high-profile kidnappings in Washington, D.C., escalate upon the discovery that the victims are being murdered, an eventual ransom demand triggers terror throughout the country and covert counterterrorism operative Scot Harvath is summoned to put an end to the crisis.

Across Europe, a secret organization has begun attacking diplomats. Back in the United States, a foreign ally demands the identity of a highly placed covert asset. In the balance hang the ingredients for all-out war. With his mentor out of the game, counterterrorism operative Scot Harvath must take on the role he has spent his career avoiding. But, as with everything else he does, he intends to rewrite the rules -- all of them.

"After a CIA agent mysteriously dies overseas, his top asset surfaces with a startling and terrifying claim. There's just one problem--no one knows if she can be trusted. But when six exchange students go missing, two airplane passengers trade places, and one political-asylum seeker is arrested, a deadly chain of events is set in motion. With the United States facing an imminent and devastating attack, America's new president must turn to covert counterterrorism...

As a storm rages across the Mediterranean Sea, a terrifying distress call is made to the Italian Coast Guard. Days later, a body washes ashore. Identified as a high value terrorism suspect who had disappeared three years prior, his name sends panic through the Central Intelligence Agency. Where was he headed? What was he planning? And could he be connected to the "spectacular attack" they have been fearing all summer? In a race against time, the CIA...

Scot Harvath is having his best summer ever. With a cottage on the fjord, a boat, and his beautiful girlfriend Sølvi, he's got everything he could possibly want. But out of vacation days and long overdue back home, America's top spy has a decision to make-return, or submit his resignation. When his deadly past comes calling, though, he'll be left with no choice at all. Leaving his favorite Oslo café, Harvath watches as a ghost climbs out of a taxi...