In reading order
The Lost Starship
Vaughn Heppner
The Lost Command
Vaughn Heppner
The Lost Destroyer
Vaughn Heppner
The Lost Colony
Vaughn Heppner
The Lost Patrol
Vaughn Heppner
The Lost Planet
Vaughn Heppner
The Lost Earth
Vaughn Heppner
The Lost Artifact
Vaughn Heppner
The Lost Star Gate
Vaughn Heppner
The Lost Supernova
Vaughn Heppner
The Lost Swarm
Vaughn Heppner
The Lost Intelligence
Vaughn Heppner
The Lost Tech
Vaughn Heppner
The Lost Secret
Vaughn Heppner
The Lost Barrier
Vaughn Heppner
The Lost Nebula
Vaughn Heppner
The Lost Relic
Vaughn Heppner
The Lost Task Force
Vaughn Heppner
The Lost Clone
Vaughn Heppner
The Lost Portal
Vaughn Heppner
The Lost Cyborg
Vaughn Heppner
The Lost World
Vaughn Heppner
The Lost Dimension
Vaughn Heppner
The Lost Battleship
Vaughn Heppner
The Lost Maddox
Vaughn Heppner