Expeditionary Force Books in Order

by Craig Alanson · 18 books · ⭐ 4.5 average rating · Updated 2026-07-11

Science FictionSpace Opera

Humanity's first contact goes badly, and a wisecracking AI decides one soldier is worth saving.

Here is the complete Expeditionary Force reading order — all 18 books by Craig Alanson, in the order you should read them:

Publication order (recommended)

  1. Columbus Day(2016)
  2. SpecOps(2016)
  3. Paradise(2016)
  4. Black Ops(2017)
  5. Zero Hour(2017)
  6. Mavericks(2018)
  7. Renegades(2018)
  8. Armageddon(2019)
  9. Valkyrie(2019)
  10. Critical Mass(2020)
  11. Brushfire(2020)
  12. Breakaway(2021)
  13. Fallout(2021)
  14. Match Game(2022)
  15. Failure Mode(2022)
  16. Aftermath(2023)
  17. Task Force Hammer(2024)
  18. Gateway(2025)

Good news: for this series, publication order and chronological order are the same — just read straight down the list.

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Frequently asked questions

How many books are in the Expeditionary Force series?

There are 18 books in the Expeditionary Force series by Craig Alanson, beginning with Columbus Day (2016) and most recently Gateway (2025).

What is the first Expeditionary Force book?

The first book is Columbus Day, published in 2016. That's where new readers should start.

Should I read Expeditionary Force in publication or chronological order?

Publication and chronological order are identical for this series, so just follow the list.

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