A.G. Riddle

18 books

The Atlantis Gene by A.G. Riddle

The Atlantis Gene

The Origin Mystery #1

A.G. Riddle

516 pages • first pub 2013 (editions)

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 • first pub 2015 (editions)

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

The Extinction Trials

A.G. Riddle

430 pages • first pub 2021 (editions)

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 • first pub 2019 (editions)

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

Lost in Time

A.G. Riddle

451 pages • first pub 2022 (editions)

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

Quantum Radio

A.G. Riddle

512 pages • first pub 2023 (editions)

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 • first pub 2019 (editions)

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

Winter World

The Long Winter #1

A.G. Riddle

418 pages • first pub 2019 (editions)

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

Antarctica Station

A.G. Riddle

392 pages • first pub 2024 (editions)

fiction science fiction adventurous dark slow-paced
The Atlantis Plague by A.G. Riddle

The Atlantis Plague

The Origin Mystery #2

A.G. Riddle

534 pages • first pub 2013 (editions)

fiction science fiction thriller adventurous fast-paced