Books by A.G. Riddle

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Twitter: @Riddlist

A.G. Riddle spent ten years starting internet companies before retiring to pursue his true passion: writing fiction.

His debut novel, The Atlantis Gene, is the first book in The Origin Mystery, the trilogy that has sold a million copies in the US, is being translated into 18 languages, and is in development at CBS Films to be a major motion picture. The trilogy will be in bookstores (in hardcover and paperback) around the world in 2015.

His recently released fourth novel, Departure, follows the survivors of a flight that takes off in 2014 and crash-lands in a changed world. The hardcover will be published by HarperCollins in the fall of 2015, and 20th Century Fox is developing the novel for a feature film.

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The Atlantis Gene: A Thriller (The Origin Mystery, Book 1)
The Atlantis Gene: A Thriller (The Origin Mystery, Book 1)
by A.G. Riddle
Experience the first book 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 Indonesia, a genetics researcher identifies a breakthrough...
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The Atlantis Plague: A Thriller (The Origin Mystery, Book 2)
The Atlantis Plague: A Thriller (The Origin Mystery, Book 2)
by A.G. Riddle
A pandemic 70,000 years in the making...will change humanity...forever.The race to stop the Atlantis Plague has begun.Filled with real science and history, The Atlantis Plague is the second book in The Origin Mystery trilogy—a series that has sold over THREE MILLION copies worldwide (in twenty languages), received 30,000+ reviews on...
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Winter World (The Long Winter Trilogy Book 1)
Winter World (The Long Winter Trilogy Book 1)
by A.G. Riddle
** An Amazon Editor's Pick for Best Science Fiction & Fantasy (2019) **** Longlisted for the Wilbur Smith Award for Best Published Novel **** The first book in a now-completed, Wall Street Journal Bestselling Trilogy that has been translated in 12 languages and published around the world. **In the near future, a new ice age has...
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The Solar War (The Long Winter Trilogy Book 2)
The Solar War (The Long Winter Trilogy Book 2)
by A.G. Riddle
* Now a Wall Street Journal bestseller! *We thought the war was over.We were wrong.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. In their darkest hour, they discover a new hope for...
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The Lost Colony (The Long Winter Trilogy Book 3)
The Lost Colony (The Long Winter Trilogy Book 3)
by A.G. Riddle
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. It’s a journey across space and time and into humanity’s past and future—with a twist you’ll never forget.NOTE: The Lost Colony is a full-length novel (384 pages in...
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The Lost Colony (The Long Winter Trilogy Book 3)
The Lost Colony (The Long Winter Trilogy Book 3)
by A.G. Riddle
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. It’s a journey across space and time and into humanity’s past and future—with a twist you’ll never forget.NOTE: The Lost Colony is a full-length novel (384 pages in...
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The Extinction Trials
The Extinction Trials
by A.G. Riddle
An Amazon Editor's Pick for Best Books of the Month.After a mysterious event, six strangers wake up in an underground bunker.They don't know how much time has passed. Or where the bunker is located.They seem to be part of a vast scientific experiment aimed at restarting the human race after a global catastrophe—a program called The...
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Lost in Time
Lost in Time
by A.G. Riddle
'Amazing! One of the twistiest time-tales I've ever read' Diana GabaldonWhen his daughter is falsely accused of murder, a scientist travels 200 million years into the past to try to save her. But there are secrets waiting there. And more than her life is at stake.From the worldwide bestselling author of Departure and Winter World comes a...
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The Atlantis World (The Origin Mystery, Book 3)
The Atlantis World (The Origin Mystery, Book 3)
by A.G. Riddle
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.The Atlantis World is the thrilling conclusion to A.G. Riddle’s blockbuster series, The Origin Mystery trilogy, which has sold over THREE...
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Departure
Departure
by A. G. Riddle
From the author of the #1 bestsellingThe Atlantis Gene comes a new novel in which the world’s past and future rests in the hands of five unwitting strangers in this definitive edition of A. G. Riddle's time-traveling, mind-bending speculative thriller.En route to London from New York, Flight 305 suddenly loses power and crash-lands in...
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Genome (The Extinction Files Book 2)
Genome (The Extinction Files Book 2)
by A.G. Riddle
A code hidden in the human genome will reveal the ultimate secret of human existence.And may hold humanity’s only hope of survival.Genome is the final book in The Extinction Files, the two-book series that began with Pandemic. It’s a race against time—and an exploration into the deepest mysteries of human existence (with a twist at the...
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