A.G. Riddle

Author Information
A.G. Riddle's Latest Book

Newest Release

  • Bibliography:
    18 Books (3 Series)
  • First Book:
    April 2013
  • Latest Book:
    September 2024
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Full Series List in Order

The Extinction Files

1 - Pandemic (Sep-2017)
2 - Genome (Oct-2017)

The Long Winter

1 - Winter World (Feb-2019)
2 - The Solar War (Feb-2020)
3 - The Lost Colony (Nov-2019)

The Origin Mystery

1 - The Atlantis Gene (Apr-2013)
2 - The Atlantis Plague (Nov-2013)
3 - The Atlantis World (May-2014)

Book List in Order: 18 titles

  • The Atlantis Gene

    The Origin Mystery - 1

    THE GREATEST MYSTERY OF ALL TIME...
    THE HISTORY OF HUMAN ORIGINS...
    WILL BE REVEALED.

    * * *

    Read the novel that started it all: The Atlantis Gene is the first book in A.G. Riddle’s bestselling Origin Mystery trilogy, which...

  • The Atlantis Plague

    The Origin Mystery - 2

    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...

  • The Atlantis World

    The Origin Mystery - 3

    A mysterious signal from deep space could be humanity's last chance of survival. And reveal the ultimate secret of our origins.* * *The Atlantis World is the third book in THE ORIGIN MYSTERY, a trilogy that has sold over THREE MILLION COPIES worldwid...

  • Departure

    The world's past and future rests in the hands of five unwitting strangers in this time-traveling, mind-bending speculative thriller from the author of the bestselling Origin Mystery trilogy En route to London from New York, Flight 305 suddenly lo...

  • The Portrait, a Romance of the Cuyahoga Valley

    Excerpt from The Portrait: A Romance of the Cuyahoga Valley

    It was already quite daik as he hastened on. He was familiar with all the forest paths, and could trav erse the woods anywhere without a trail, and with a sense of absolute security. AS ...

  • Pandemic

    The Extinction Files - 1

    A deadly outbreak in Kenya. A conspiracy beyond imagination. And a race to save humanity in its darkest hour. From A. G. Riddle, the worldwide best-selling author of The Atlantis Gene and Departure, comes a novel that will change everything you t...

  • Genome

    The Extinction Files - 2

    A code hidden in the human genome will reveal the ultimate secret of human existence. And could hold humanity’s only hope of survival.* * *Genome is the second and final book in A.G. Riddle’s bestselling series, The Extinction Files.* * *In 2003,...

  • Winter World

    The Long Winter - 1

    * Longlisted for the 2019 Wilbur Smith Prize for best published novel. *A new ice age... and a shocking discovery... will change humanity forever.In the near future, an ice age pushes humanity to the edge of extinction.Scientists search for the cause...

  • The Lost Colony

    The Long Winter - 3

    Don't miss the thrilling conclusion to The Long Winter trilogy!* NOTE: The Lost Colony is a full-length novel (378 pages in print). ** * *Can humanity survive on a new world?On Eos, the last survivors of the Long Winter face their greatest challenge ...



  • The Solar War

    The Long Winter - 2

    Humanity survived the Long Winter â€" but only just. We rebuild, watching the sky, waiting for any sign of the Grid's return.

    When NASA discovers that three vast asteroids have broken from the Kuiper Belt and are on an impact course for Ear...

  • 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 experim...

  • Lost In Time

    WINNER OF BEST ALTERNATE HISTORY NOVEL AT THE 2023 DRAGON AWARDS

    The SUNDAY TIMES bestseller

    "Amazing! One of the twistiest time-tales I've ever read."
    â€"Diana Gabaldon

    "Crichtonesque thrillers d...

  • Alice Brand a Romance of the Capital

  • Quantum Radio

    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 physic...

  • Antarctica Station

    In Antarctica, a groundbreaking 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, she lost everything.She saw the wrong thing - a colle...

  • Bart Ridgeley: A Story of Northern Ohio

    • / General Fiction
    • Buy Buy

    This book (hardcover) is part of the TREDITION CLASSICS. It contains classical literature works from over two thousand years. Most of these titles have been out of print and off the bookstore shelves for decades. The book series is intended to preser...

  • A Romance of the Capital

    • / General Fiction
    • Buy Buy

    Excerpt from A Romance of the Capital

    In committing these labors to the public, he has no wish to deprecate any criticism which they may chal lenge, as a work of art. He is quite aware that he is responsible, alike for the material selected an...

  • The Tory's Daughter

    • / General Fiction
    • Buy Buy

    Excerpt from The Tory's Daughter: A Romance of the North-West

    The battle of the Thames put an end, substantially, to a chronic, and at times a most disastrous Indian war of more than sixty years duration, in the valley of the Ohio and basin of...

Frequently Asked Questions (FAQ)

A.G. Riddle has published 18 books.

A.G. Riddle does not have a new book coming out soon. The latest book, Antarctica Station, was published in September 2024.

The first book by A.G. Riddle, The Atlantis Gene, was published in April 2013.

Yes. A.G. Riddle has 3 series.
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