THREATCON DELTA

A former spy must stop a terrorist plot to unleash a deadly plague across the world in the New York Times bestselling author’s “page-turner of a thriller” (BookReporter.com).

Ryan Kealey has no doubt that the forces seeking to tip this teetering world into chaos are only getting better equipped—and, most terrifying of all, more patient. And despite all the ELINT, the all-seeing electronic intelligence gathered at Langley, nothing stops a devastating attack from ripping through the heart of...