Frontline book series in order by Marko Kloos

All books of Frontline series in order

1
Terms of Enlistment
‘There is nobody who does [military SF] better than Marko Kloos. His Frontlines series is a worthy successor to such classics as Starship Troopers, The Forever War, and We All ...
January 28, 2014
2
Lines of Departure
In this sequel to the bestselling Terms of Enlistment, a weary soldier must fight to prevent the downfall of his species…or bear witness to humanity’s last, fleeting breaths.
January 28, 2014
2.1
Lucky Thirteen
April 14, 2013
2.2
Measures of Absolution
Following the Battle of Detroit, Corporal Jackson uncovers the reasons behind the 365th AIB's defeat in the Public Residence Clusters, and the possible reasons why the ...
October 27, 2013
3
Angles of Attack
The Lankies, alien forces, are assembling at the edge of the solar system, moving closer to conquering Mars and targeting Earth. New Svalbard, a distant colony isolated by the ...
April 21, 2015
4
Chains of Command
The aliens’ attempt to attack Earth was stopped by destroying their seed ship, but Mars is still controlled by the Lanky forces. Survivors are working hard to rebuild their ...
April 19, 2016
5
Fields of Fire
The moment has arrived to initiate the battle against the Lankies. For over a year, Mars has been under the control of the Lankies. During this time, the weakened forces of ...
February 28, 2017
6
Points of Impact
Although humanity may have emerged victorious in the battle, a new, even greater threat is on the horizon... The Earth's military has successfully halted the Lanky invasion and ...
January 9, 2018
7
Orders of Battle
The victory over the Lankies has been achieved and Earth appears to be secure. However, there is no time for peace in the military. It has been four years since Earth united ...
December 8, 2020
8
Centers of Gravity
Stranded hundreds of light-years away from their home, Major Andrew Grayson and his team aboard the NACS Washington are facing a critical mission to uncover the secrets of the ...
August 30, 2022
8.5
Echoes of Silence
Major Andrew Grayson and NACS Washington vanished during a secret mission to the Capella system, leaving Lieutenant Colonel Halley devastated. As she waits for news about ...
July 14, 2025