A.G. Riddle

From the worldwide bestselling author of The Extinction Trials, Departure, and The Atlantis Gene comes a new kind of sci-fi thriller: a time-travel murder mystery with a twist you'll never see coming....

At CERN, a scientist has just made an incredible discovery—a breakthrough that may answer the deepest questions about human existence. But what he's found is far more dangerous than he ever imagined....

The ice is coming. It was the last thing we expected, but a new ice age has dawned. Billions have fled the glaciers. War is coming. In orbit, a group of scientists are running experiments. Close to the edge of the sun, they catch a fleeting glimpse of something that shouldn’t be there....

In Atlanta, Dr. Peyton Shaw is awakened by the phone call she has dreaded for years. As the CDC's leading epidemiologist, she's among the first responders to outbreaks....

After a mysterious global event known only as “The Change”, six strangers wake up in an underground research facility where they learn that they’re part of the Extinction Trials - a scientific experiment to restart the human race. But the Extinction Trials harbors a very big secret....

On Eos, the last survivors of the Long Winter face their greatest challenge yet - and race to unravel the deepest secrets of the grid. The last survivors of the human race escaped a ruined Earth. Their new homeworld - Eos - seemed perfect at first. Warm. Hospitable. Safe from the grid....

They decimated Earth during the Long Winter. Now the Grid has returned, and they won't stop until the human race is extinct. On a ruined world, humanity's last survivors fight against impossible odds....

The thrilling conclusion to The Extinction Files is finally here! A code hidden in the human genome...will reveal the ultimate secret of human existence. And could hold humanity's only hope of survival....

In Antarctica, a research expedition discovers an ancient structure buried deep in the ice. In Indonesia, a genetics researcher identifies a breakthrough treatment for autism. But these two incredible discoveries aren't what they seem....

The greatest mystery of all time...the history of human origins...will be revealed....

At the end of the world, a groundbreaking scientific experiment will change everything. Dr. Laura Reynolds had it all. A job she loved. The respect of her peers. Student debt she was slowly chipping away at. And one day, it all went away....

En route to London from New York, Flight 305 suddenly loses power and crash-lands in the English countryside, plunging a group of strangers into a mysterious adventure....

As the clock ticks down to humanity's extinction, a team of scientists will risk it all to unravel the secrets of the past....

In Marbella, Spain, Dr. Kate Warner awakens to a horrifying reality: the human race stands on the brink of extinction....

A mysterious signal from deep space may hold humanity’s last chance of survival. And could reveal the ultimate truth of human origins. The race to unravel the secrets of the Atlantis world has begun.

In Marbella, Spain, Dr. Kate Warner awakens to a horrifying reality: the human race stands on the brink of extinction. A pandemic unlike any before it has swept the globe. Nearly a billion people are dead—and those the Atlantis Plague doesn't kill, it transforms at the genetic level.

Dans un futur proche, un nouvel âge glaciaire a commencé, précipitant l'humanité au bord de l'extinction....

En Antarctique, des chercheurs ont mis au jour, enfouie dans la glace, une mystérieuse structure vieille de plusieurs milliers d'années. À l'intérieur, l'équipe fait une découverte qui va radicalement changer l'histoire de l'homme–mais qui pourrait également déclencher son extinction....

Mandera, im Nordosten Kenias: Die X1-Mandera-Pandemie breitet sich wie ein Flächenbrand aus - und ist kein biologisch-evolutionärer Zufall...

Im Jahr 2003 wurde das erste menschliche Genom zerlegt und analysiert: Ein historischer Moment. Aber nur ein Wissenschaftler kennt die...