Reading Order
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Start with Terms of Enlistment and continue through all 10 books in the listed reading order.
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Start with Terms of Enlistment
Book 1 by Marko Kloos • Published 2013
In 2108, welfare kid Andrew Grayson sees only two ways out of his overcrowded slum: a colony lottery he’ll never win, or military service. Basic training, riot duty, and his first off world deployment quickly show tha...
Complete List
Frontlines reading order
Ends with Centers of Gravity
- 1
Book 1:Terms of Enlistment
Marko Kloos • 2013
In 2108, welfare kid Andrew Grayson sees only two ways out of his overcrowded slum: a colony lottery he’ll never win, or military service. Basic training, riot duty, and his first off world deployment quickly show tha...
- 2
Book 2:Lucky Thirteen
Marko Kloos • 2013
New dropship pilot Halley is handed an airframe with a cursed reputation and a serial number full of thirteens. On her first combat mission she has to decide whether to trust the data, her instincts, and the ship that...
- 3
Book 3:Measures of Absolution
Marko Kloos • 2013
After the Battle of Detroit, Territorial Army corporal Jackson tries to understand how a routine pacification spiraled into catastrophe. Her search through ruined housing blocks and frightened civilians becomes a pers...
- 4
Book 4:Lines of Departure
Marko Kloos • 2014
War and unrest are tearing humanity apart, from starving riots on Earth to a relentless alien offensive on the colonies. Reenlisted officer Andrew Grayson survives a disastrous assault only to be posted to a misfit-pa...
- 5
Book 5:Angles of Attack
Marko Kloos • 2015 • 1 recommendation
Cut off on the colony moon of New Svalbard, Staff Sergeant Andrew Grayson and a starving task force must slip through a Lanky blockade to reach Earth. A fragile alliance with former enemies turns their stealth mission...
- 6
Book 6:Chains of Command
Marko Kloos • 2016
After the destruction of a Lanky seed ship gives Earth a brief breathing space, Andrew Grayson trains fresh recruits for whatever comes next. Sent on a covert mission to track down deserters with stolen warships, he d...
- 7
Book 7:Fields of Fire
Marko Kloos • 2017
With Mars under Lanky control, Earth’s alliances throw everything they have into a risky campaign to take it back. Andrew Grayson and Halley command green troops on the front line, where every landing zone, orbital st...
- 8
Book 8:Points of Impact
Marko Kloos • 2018
Humanity has pushed the Lankies out of the solar system, but the war is far from over. On Mars, Andrew and Halley lead exhausted troops in brutal tunnel fighting while new weapons shift the balance, forcing them to re...
- 9
Book 9:Orders of Battle
Marko Kloos • 2020
Four years after Earth’s narrow victory, Andrew Grayson is stuck behind a desk until a new offensive against the Lankies needs his skills. Aboard an Avenger class warship, he leads a strike deep into enemy space where...
- 10
Book 10:Centers of Gravity
Marko Kloos • 2022
Marooned in a dark, distant system, Andrew Grayson and the crew of NACS Washington scout a lone moon that looks barely habitable. What they find there, from lifesaving resources to disturbingly adaptive Lankies, turns...
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Frontlines FAQ
What is the best order to read the Frontlines series?
The recommended reading order is the numbered order shown on this page, starting with Terms of Enlistment.
How many books are in the Frontlines series?
There are 10 books currently listed in the Frontlines series on GurusReads.
Where should I start with the Frontlines series?
New readers should start with Terms of Enlistment, the first book in the reading order.
Is the Frontlines series complete?
Based on the publication years we have, the series appears likely complete and spans releases from 2013 to 2022.