A.G. Riddle

From the bestselling author of Lost in Time and Quantum Radio comes a new mind-bending thriller: a group of strangers with tinnitus begins seeing numbers—numbers they soon realize are a code that will change the world. Alan Norris has lost everything. Except for his daughter. And he's...

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....

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....

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

FROM THE SUNDAY TIMES BESTSELLING AUTHOR OF LOST IN TIME 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. Dr. Tyson Klein is a quantum...

"Amazing! One of the twistiest time-tales I've ever read ..."—Diana Gabaldon "Crichtonesque thrillers don't come much better than this intricate outing which combines a fantastic premise … with a closed-circle whodunit. Readers won't be able to turn the pages fast enough."—Publishers...

Can humanity survive on a new world? 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...

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....

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....

A PANDEMIC 70,000 YEARS IN THE MAKING WILL CHANGE HUMANITY... FOREVER. 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...

Experience the first dramatized audiobook in A.G. Riddle's groundbreaking Origin Mystery Trilogy—the series that has been translated in 24 languages and sold over THREE MILLION COPIES worldwide. In Antarctica, a research expedition discovers an ancient structure buried deep in the ice. In...

The end…is only the beginning. 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...

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....

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

Après le Long Hiver, Emma Matthews et James Sinclair espéraient pouvoir recommencer une existence presque normale dans le Camp Sept. Mais lorsque la NASA découvre que plusieurs astéroïdes ont quitté la ceinture de Kuiper pour filer droit vers la Terre, il faut reprendre les armes....

Dans un futur proche, un nouvel âge glaciaire a commencé, précipitant l'humanité au bord de l'extinction. Mois après mois, le froid avance, les glaciers s'étendent et les populations fuient vers les dernières zones habitables. Les scientifiques envoient des sondes à travers le système...

Venu du plus profond de l'espace, un mystérieux signal révèle le secret des origines de l'humanité–et son ultime espoir de survie... Après avoir affronté la pandémie mondiale, le docteur Kate Warner espérait pouvoir se soigner, mais elle n'avait pas pris toute la mesure de la...

La conclusion de la série phénomène ! L'humanité peut-elle survivre dans un nouveau monde ? Sur Éos, confrontés à une cascade de défis, les derniers survivants du Long Hiver s'embarquent dans un voyage à travers l'espace et le temps, le passé et l'avenir, afin de percer le mystère...