The Estes & Marsh Technothriller Series

A "superior thriller" (Kirkus Reviews) from the author of The Slayer Rule

One rogue engineer. Two unlikely allies. Three chances to stop a nuclear disaster.

In the aftermath of the Soviet Union's collapse, a brilliant Russian engineer vanishes into the irradiated ruins of the Polygon—once the Soviet's nuclear testing ground. Decades later, CIA...

What if the next world war began with a line of code?

When the Kremlin turns a powerful AI into a weapon, the CIA enlists an unlikely ally—a disillusioned FSB colonel—to help destroy it. But the AI has plans of its own, recruiting a lovestruck computer engineer to help it break free. All three sides—soldier, spy, and machine—are locked in a race...

"A smart, gripping espionage tale that exuberantly showcases its first-rate cast."
—Kirkus Reviews

CIA operative Bill Estes reunites with FBI Special Agent Marsh and Pavlovich to confront a new existential threat.

An Israeli spy arrives at the CIA with a chilling revelation: an Islamic plot to smuggle three tactical nuclear devices across the...