Reading order · 8 books · 2013 to 2023 · Set in space
Frontlines Books in Order
Frontlines is military science fiction. In the twenty-second century, Andrew Grayson escapes a crowded, violent welfare city by joining the army, only to find humanity is soon at war with huge alien invaders.
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Series facts
- Books
- 8
- Published
- 2013 to 2023
- First book
- Terms of Enlistment
- Latest
- Centers of Gravity (2023)
- Setting
- Set in space
The reading order
Every Frontlines book in publication order. Choose a title for its cast and summary.
8 books · Set in space
- 1Terms of Enlistment2013With Andrew GraysonIn 2108, Andrew Grayson escapes the crowded public housing cluster where he grew up by joining the army, hoping for a place on a colony ship.Buy on Amazon
- 2Lines of Departure2014With Andrew GraysonAndrew Grayson, now a combat controller, fights in a desperate war against the Lankies, giant aliens who are taking over human colonies.Buy on Amazon
- 3Angles of Attack2015With Andrew GraysonWith the Lankies massing at the edge of the solar system and the colony of New Svalbard starving under their blockade, Andrew Grayson and the exhausted Commonwealth forces face a grim new stage of the war.Buy on Amazon
- 4Chains of Command2016With Andrew GraysonEarth rushes to rebuild while the Lankies hold Mars, and Andrew Grayson and his wife Halley are sent to scout the stronghold of deserters who stole vital warships.Buy on Amazon
- 5Fields of Fire2017With Andrew GraysonAfter more than a year of rebuilding, Earth’s alliances strike back at Mars with new troops aboard old warships, and the Lankies are determined to hold on.Buy on Amazon
- 6Points of Impact2018With Andrew GraysonBuy on Amazon
- 7Orders of Battle2020With Andrew GraysonFour years after the Lanky invasion was repelled, Major Andrew Grayson chooses between a desk job and the fight, and leads a raid into the hostile Capella system.Buy on Amazon
- 8Centers of Gravity2023With Andrew GraysonStranded far from home in a sunless system and running short of everything, Grayson and the crew of the Washington set out to learn what they can about the Lankies.Buy on Amazon
Do you need to read them in order?
Read in order, starting with Terms of Enlistment.
Who appears in which book
The series’ main characters, book by book. Lead means the book is told around them; minor covers cameos.
| Book | Andrew Grayson | Halley |
|---|---|---|
| 1 Terms of Enlistment | LLead | MMajor |
| 2 Lines of Departure | LLead | MMajor |
| 3 Angles of Attack | LLead | MMajor |
| 4 Chains of Command | LLead | MMajor |
| 5 Fields of Fire | LLead | MMajor |
| 6 Points of Impact | LLead | MMajor |
| 7 Orders of Battle | LLead | MMajor |
| 8 Centers of Gravity | LLead | MMajor |
Characters in the Frontlines books
2 characters from Marko Kloos’s chart, with the number of Frontlines books each appears in.
| Character | Books | First in this series |
|---|---|---|
| Andrew GraysonSoldier and combat controller | 8 | Terms of Enlistment 2013 |
| HalleyAndrew's partner, a drop-ship pilot | 8 | Terms of Enlistment 2013 |