Terms of Enlistment (Frontlines Book 1)
Marko Kloos
Frontlines (1)
Measures of Absolution (Frontlines Novella)
Frontlines (1.60)
Lucky Thirteen (Frontlines Novella)
Frontlines (1.50)
Lines of Departure (Frontlines Book 2)
Frontlines (2)
Chains of Command (Frontlines Book 4)
Frontlines (4)
Angles of Attack (Frontlines Book 3)
Frontlines (3)