A.G. Riddle

25 books

The Atlantis Gene by A.G. Riddle

The Atlantis Gene

The Origin Mystery #1

A.G. Riddle

516 pages • paperback • 2013

fiction mystery science fiction thriller adventurous challenging mysterious fast-paced
The Atlantis World by A.G. Riddle

The Atlantis World

The Origin Mystery #3

A.G. Riddle

368 pages • paperback • 2015

fiction fantasy science fiction adventurous fast-paced
The Extinction Trials by A.G. Riddle

The Extinction Trials

A.G. Riddle

430 pages • digital • 2021

fiction dystopian science fiction thriller adventurous mysterious fast-paced
The Lost Colony by A.G. Riddle

The Lost Colony

The Long Winter #3

A.G. Riddle

348 pages • paperback • 2019

fiction mystery science fiction adventurous mysterious fast-paced
Lost in Time by A.G. Riddle

Lost in Time

A.G. Riddle

451 pages • hardcover • 2022

fiction mystery science fiction adventurous mysterious medium-paced
Quantum Radio by A.G. Riddle

Quantum Radio

A.G. Riddle

512 pages • hardcover • 2023

fiction science fiction thriller adventurous challenging medium-paced
The Solar War by A.G. Riddle

The Solar War

The Long Winter #2

A.G. Riddle

522 pages • hardcover • 2019

fiction science fiction adventurous fast-paced
Winter World by A.G. Riddle

Winter World

The Long Winter #1

A.G. Riddle

418 pages • digital • 2019

fiction science fiction thriller tense fast-paced
Antarctica Station by A.G. Riddle

Antarctica Station

A.G. Riddle

392 pages • digital • 2024

fiction science fiction adventurous dark slow-paced
The Atlantis Gene [Dramatized Adaptation] by A.G. Riddle
The Atlantis Gene [Dramatized Adaptation]
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A.G. Riddle

The Atlantis Gene [Dramatized Adaptation]

A.G. Riddle

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