Invasion: Colorado (Invasion America Book 3) Vaughn Heppner Vaughn Heppner Read online 700 Published: 2013
Assault Troopers (Extinction Wars Book 1) Vaughn Heppner Vaughn Heppner Read online 689 Published: 2014
The Lost Supernova (Lost Starship Series Book 10) Vaughn Heppner Vaughn Heppner Read online 663 Published: 2019
Invaders: Dreadnought Ocelot (Invaders Series Book 4) Vaughn Heppner Vaughn Heppner Read online 590 Published: 2020
A.I. Battle Fleet (The A.I. Series Book 5) Vaughn Heppner Vaughn Heppner Read online 498 Published: 2018
The Lost Relic (Lost Starship Series Book 17) Vaughn Heppner Vaughn Heppner Read online 495 Published: 2022
