Extinction Horizon (The Extinction Cycle Book 1)
Nicholas Sansbury Smith
Extinction Edge (The Extinction Cycle Book 2)
Extinction Age
The Extinction Cycle (3)
Extinction Evolution (The Extinction Cycle Book 4)
The Extinction Cycle (4)
Extinction End (Extinction Cycle Book 5)
Extinction Aftermath (Extinction Cycle Book 6)
Trackers: A Post-Apocalyptic EMP Thriller