Authors: A.G. Riddle

The Extinction Trials Audiobook Cover

The Extinction Trials by A.G. Riddle (Narrated by John Skelley)

The Solar War (The Long Winter #2) by A.G. Riddle (Narrated by Edoardo Ballerini & Amanda Leigh Cobb)

Winter World by A.G. Riddle (Narrated by Edoardo Ballerini & Amanda Leigh Cobb)

The Atlantis Gene by A.G. Riddle (Narrated by Stephen Bel Davies)