The Recurring Cast
Character guide · 8 books · 2013 to 2023

Marko Kloos

Science fictionMilitary science fiction

Marko Kloos's Frontlines series follows Andrew Grayson, who escapes a crowded welfare city by joining the army, only to find humanity is at war with towering alien invaders.

Best estimate, compiled from series guides, publisher descriptions and reviews where available, and from memory otherwise. Book level only, not chapter level. Minor includes cameos and brief references. Each book carries a confidence rating in its tooltip.

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Who appears in which book

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LLeadMMajor·MinorHas a note
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Marko Kloos books in order

Each series in publication order, with its lead characters. Where the story runs in a different order, switch to Story order. Crossover books are marked and listed under their main series. Use My books to track what you have read.

Frontlines

8 books · Set in spaceMilitary science fiction
  1. 1Terms of Enlistment2013With Andrew GraysonBuy on Amazon
  2. 2Lines of Departure2014With Andrew GraysonBuy on Amazon
  3. 3Angles of Attack2015With Andrew GraysonBuy on Amazon
  4. 4Chains of Command2016With Andrew GraysonBuy on Amazon
  5. 5Fields of Fire2017With Andrew GraysonBuy on Amazon
  6. 6Points of Impact2018With Andrew GraysonBuy on Amazon
  7. 7Orders of Battle2020With Andrew GraysonBuy on Amazon
  8. 8Centers of Gravity2023With Andrew GraysonBuy on Amazon

Characters

2 recurring and key characters, with the book each one first appears in.

The North American Commonwealth