Jeremy Logan is an "enigmalogist"?an investigator who specializes in analyzing phenomena that have no obvious explanation. 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. One of its most distinguished doctors began acting erratically?violently attacking an assistant in the mansion's opulent library and, moments later, killing himself...

"Archaeologist Riley Smith has been obsessed with Helen of Troy since she was a small girl, trailing her professor father all over the world in search of the tomb of the world's most beautiful woman. Professor Smith set out to prove that, instead of a myth, Helen had been a living, breathing queen who inspired Homer to write The Iliad. Forensic sculptor Eve Duncan has the unusual skills needed to recreate the face that launched a thousand ships-revealing...

In this gripping thriller, a scientific expedition in Antarctica stops for a live news feed. As the CNN journalist Gracie Logan begins her report, a massive, shimmering sphere of light suddenly appears in the sky, enveloping the ship in luminous white light before disappearing as mysteriously as it arrived--the entire event witnessed by an incredulous world audience. Meanwhile, a monk in Egypt experiences visions that seemed connected, and back in...

The Nightstalkers, an elite Special Forces team with a mysterious mission and leader, fight an ongoing battle to shut down alien life forms known as Fireflies that have been unleashed into the world.