A group of scientists undertake an expedition to Alaska's Federal Wilderness Zone to study the effects of global warming. The expedition changes suddenly when the group heads out on a routine foray into a glacial ice cave and makes an astonishing find.

Jeremy Logan (The Third Gate, Deep Storm) is an "enigmalogist"-an investigator who specializes in analyzing phenomena that have no obvious explanation. In this newest novel Logan finds himself on the storied coastline of Newport, Rhode Island, where he has been retained by Lux, one of the oldest and most respected think tanks in America. Just days earlier, a series of frightening events took place in the sprawling seaside mansion that houses the organization....

"A blockbuster new thriller from #1 New York Times bestselling author Lincoln Child, centered on a dominant tech company-Chrysalis-whose groundbreaking virtual reality technology is redefining the way we live . . . and possibly introducing a catastrophic danger to the world. Like millions of people around the world, Jeremy Logan (famed enigmalogist, or investigator of unexplained things) has grown to rely on his incredible new tech device. Made by...