Audiobook Series: Frontlines

Lines of Departure Audiobook: A Galactic Struggle for Survival...

Terms of Enlistment Audiobook: A Gritty March into Humanity's...

Points of Impact Audiobook by Marko Kloos: A Sonic...

Chains of Command Audiobook: An Intergalactic Battle for Humanity's...

Angles of Attack Audiobook: A Sonic Assault on the...

Lucky Thirteen Audiobook: A High-Octane Flight Through Marko Kloos's...

Measures of Absolution Audiobook: A Glimpse into the Frontlines...