Professor Delaney McPhearson's life is turned upside down when her best friend, archaeologist Drew Masters, is found dead. Before she can deal with the heartbreaking loss, she is viciously attacked in her home by a man with inhuman fighting abilities. Former Navy SEAL and head of security for a global think tank, Jake Rogan drops everything when he hears his foster brother, Tom Jeffries, has gone missing. There seem to be no clues, no information about his whereabouts. He has just vanished. But Jake won't rest until he finds him.

Delaney McPhearson has been pulled from one crisis to the next since Samyaza's death. Trying to put out each fire as they pop up, while simultaneously trying to tamp down public fears about the Fallen, she is stretched impossibly thin. And that's part of the plan: keep Laney so busy, that she doesn't realize what her government is up to until it is too late.

A virus released from the permafrost leaves humanity’s survival on a razor’s edge–and Hannah Aldeen’s family in the crosshairs of an unrelenting threat.

Former FBI profiler Adrian West is in Rome for a history conference when she learns that her friend and colleague, Dr. Sebastian Rossi, has been abducted.

During the election of a new Pope in the mid-18th century, famed violinist Antonio Vivaldi learns of a ring of art forgers who are replacing the Vatican’s priceless treasures with expertly-painted fakes. Desperate, the composer hides a message in a special melody, hoping someone, someday, will take down the culprits....

In the depths of an ancient Egyptian tomb, archaeologists make a baffling discovery: the mummified body of a man clad in a space suit. Halfway around the globe, exobiologist Dr. Katherine Shepard and intelligence officer Colonel Devon Peters are summoned to the site of a downed UFO. To their amazement, they find one of the occupants alive. Even more shocking, he appears to be human. As Shepard and Peters delve deeper into the enigma, they expose a chilling truth: aliens have inhabited Earth far longer than anyone could have imagined, and they are not alone.

The greatest devastation in history. A secret that will alter humanity forever. Today, the true fight for survival begins. Deep within the remnants of the United States, Lyla Richards oversees a camp of 200 survivors. In a world where living is an everyday struggle and only through banding together can people survive, the arrival of the Unwelcome only made her job harder. Riley Quinn and Miles Jones have been raised by Lyla for the last five years. They are also one of the cursed: the children between the ages of 13 and 18 whom the Unwelcome kill on sight. 

Out of work and on the run after a shocking betrayal by his brothers-in-arms, the ex-Special Forces commando hasn’t stopped moving for months. He can’t. Some of the same soldiers who left him for dead in the Middle East still want his head. And they’re getting closer. So far, he’s been lucky. But Dak is low on money and nearly out of time. All he needs is an easy gig. A place to lie low, bank some cash, and quietly figure out his next move.

After barely escaping from his last project alive, Professor Elliot Brand wanted to spend a few calm months lecturing in London. But when a billionaire presents him with the perfect mystery, he can't resist and soon finds himself in a dangerous world of Nepali spies, ancient ruins, and a truth about humanity that might change the world forever... or end it.

Over 200 years ago, a covert expedition shadowing Lewis and Clark disappeared into the wilderness of central Idaho. Now, seven anthropology students and their professor vanish in the same area. The key to finding them lies in an ancient secret, one involving alchemy, gold, and immortality...a secret that men throughout history have sought to unveil. Michael Rempart is a brilliant archeologist whose colorful and controversial career has earned him admiring fans and implacable foes, but he is plagued by a troubling sense of the supernatural and a mysterious spiritual intuitiveness.