The Jack Demos Thrillers

Jack Demos used to be one of the CIA’s best—until betrayal in Istanbul cost lives and ended his career. Now he works in the shadows, answering to no one, pulled back in only when the stakes are too dangerous for the official channels.

From encrypted leaks to black-budget coverups, Jack follows the signals no one wants to acknowledge. The deeper he goes, the more he uncovers a hidden war playing out behind global headlines—and a past that refuses to stay buried.

The Jack Demos Thriller series blends modern espionage, cyber threats, and personal betrayal into fast-paced stories where trust is a liability and survival isn’t guaranteed. Perfect for fans of Mark Greaney, Gregg Hurwitz, and Vince Flynn.

Shadow Protocol (A Jack Demos Thriller Book 1)

From the series: The Jack Demos Thrillers

Some names were meant to stay buried. Some missions never end.

Jack Demos was a ghost. After a mission in Istanbul went sideways, the retired CIA operative disappeared into a Lisbon boatyard, content to be forgotten.

But the past doesn’t forget.

When a figure linked to the op that ruined his life resurfaces, Jack is dragged back into the...