All 11 books by A.G. Riddle
Here's all I've got from A.G. Riddle. I've read 4 books.
A.G. Riddle

The Extinction Trials
by A.G. Riddle
Ad Astra, 2022
Ad Astra, 2022

Lost in Time
by A.G. Riddle
Ad Astra, 2022
Ad Astra, 2022

The Solar War
by A.G. Riddle
Ad Astra, 2019
Ad Astra, 2019

The Lost Colony
by A.G. Riddle
Ad Astra, 2019
Ad Astra, 2019

Winter World
by A.G. Riddle
Ad Astra, 2019
Ad Astra, 2019

Pandemic
by A.G. Riddle
Legion Books, 2017
Legion Books, 2017

Genome
by A.G. Riddle
Legion Books, 2017
Legion Books, 2017

Departure
by A.G. Riddle
Harper Voyager, 2015
Harper Voyager, 2015

The Atlantis World
by A.G. Riddle
Legion Books, 2014
Legion Books, 2014

The Atlantis Gene
by A.G. Riddle
Legion Books, 2014
Legion Books, 2014

The Atlantis Plague
by A.G. Riddle
Legion Books, 2013
Legion Books, 2013