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The Extinction Trials by [A.G. Riddle]
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The Extinction Trials Kindle Edition

4.1 out of 5 stars 712 ratings

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Product description


'This is apocalyptic sci-fi at its best. Plot and character are masterfully woven together and the action – which is anything but frozen – sling-shots from stage to stage like an intergalactic spaceship' Daily Mail, on The Solar War.
'A complex, multi-stranded narrative spanning 700 pages that reads like a superior collaboration between Dan Brown and Michael Crichton' ― Guardian, on Pandemic --This text refers to the hardcover edition.

Book Description

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 o a scientific experiment to restart the human race. But the Extinction Trials harbours a very big secret.

--This text refers to the hardcover edition.

Product details

  • ASIN ‏ : ‎ B09BLCGT45
  • Publisher ‏ : ‎ Legion Books (2 November 2021)
  • Language ‏ : ‎ English
  • File size ‏ : ‎ 3027 KB
  • Simultaneous device usage ‏ : ‎ Unlimited
  • Text-to-Speech ‏ : ‎ Enabled
  • Screen Reader ‏ : ‎ Supported
  • Enhanced typesetting ‏ : ‎ Enabled
  • X-Ray ‏ : ‎ Enabled
  • Word Wise ‏ : ‎ Enabled
  • Print length ‏ : ‎ 430 pages
  • Customer Reviews:
    4.1 out of 5 stars 712 ratings

About the author

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I am a father of two, husband (of one), avid reader, and author of nine novels.

I write books about the big ideas that fascinate me. What is humanity's destiny? What will the future look like? Why do we seem to be alone in the universe? What if X happened?

I love a good scientific mystery. And stories about people with secrets. If there's not a big twist somewhere along the way—usually at the end—I never write the first word.

My own story is significantly less interesting than the books, but here's the outline. I grew up in a small college town in North Carolina and attended UNC-Chapel Hill. I started an internet company in college and did that for ten years but eventually got burnt out on it.

As a kid, I read a lot but never gave much thought to being a writer until my late twenties. At that point in my life, reading science fiction at night was the thing I looked forward to the most. So I took two years off to study the craft and write my first novel (The Atlantis Gene). I thought, if it takes off, I'll carry on. If not, I'll do something else. That novel came out in March of 2013. I've been writing since.

I live in Raleigh now, with my wife, daughter, son, and a somewhat manipulative dog. My time these days is spent changing diapers, writing, working on home projects, and deploying a breathtaking amount of dad jokes.

For more, please visit:

PS: My wife suggested that I actually list my books in this bio. Please continue reading to see what happens when my wife politely suggests things.

A Listing of My Books


2021: The Extinction Trials

A Stand-alone

After a mysterious global event known only as "The Change," a group of strangers awaken in an underground bunker and soon learn they are part of an experiment to restart the human race.


2019: The Long Winter

A Completed Trilogy

When the Earth enters a new ice age, a group of astronauts ventures out into space seeking the cause. What they find there may hold the key to humanity's survival. Or Extinction.


2017: The Extinction Files

A Completed Duology

In rural Africa, an outbreak of a new kind of pathogen begins. The CDC sends a team to investigate, but they soon learn that there is more to this pandemic than they ever imagined. It may be the start of a new era of human civilization.


2014: Departure

A Stand-alone

Flight 305 from New York to London took off from our world, but it crash-landed in a very different one. Now the crew and passengers must work together to unravel the mystery of what happened to their flight—and the world they left.


2013: The Origin Mystery

A Completed Trilogy

In Antarctica, an expedition discovers an ancient structure, buried in the ice.

In Jakarta, an autism researcher finds a breakthrough therapy.

These two events seem unrelated, but they are the keys to unraveling the greatest mystery of all time—the truth about human origins—and possibly beginning the next stage of human evolution.

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712 global ratings

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Top reviews from other countries

2.0 out of 5 stars Skip this one!
Reviewed in the United Kingdom on 29 December 2021
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Graham T
5.0 out of 5 stars Just the usual from Mr Riddle. Absolute brilliance.
Reviewed in the United Kingdom on 5 November 2021
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5.0 out of 5 stars Equal measure of gripping and scary.
Reviewed in the United Kingdom on 8 December 2021
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Amazon Customer
2.0 out of 5 stars Not up to his usual standard
Reviewed in the United Kingdom on 8 November 2021
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joseph anthony lumb brook
5.0 out of 5 stars Wonderful read
Reviewed in the United Kingdom on 8 December 2021
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