The Extinction Trials

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 harbors a very big secret.

And so does the world outside.

From A.G. Riddle, the Amazon Charts and Wall Street Journal best-selling author with over four million copies sold worldwide in 20 languages, comes an epic stand-alone adventure with a surprise ending unlike anything you’ve ever heard before.