On-Sale Dates

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Expeditionary Force

Craig Alanson

On-Sale Dates is a record of book on-sale dates, each checked against publisher and retailer sources and re-checked nightly.

Next book in Expeditionary Force

No unreleased book on record for Expeditionary Force right now.

Reading order

  1. Columbus Day Released in Jan 2016
  2. SpecOps Released in Jun 2016
  3. Paradise Released in Oct 2016
  4. Black Ops Released in May 2017
  5. Zero Hour Released in Nov 2017
  6. Mavericks Released in May 2018
  7. Renegades Released in Nov 2018
  8. Armageddon Released in Aug 2019
  9. Valkyrie Released in Dec 2019
  10. Critical Mass Released in Aug 2020
  11. Brushfire Released in Dec 2020
  12. Breakaway Released in Jun 2021
  13. Fallout Released in Dec 2021
  14. Match Game Released in Jun 2022
  15. Failure Mode Released in Dec 2022
  16. Aftermath Released in Dec 2023
  17. Task Force Hammer Released in Sep 2024
  18. Gateway Released in Apr 2025
  19. Ground State Released in Jan 2026

Reader questions and answers

Is Ground State out yet?

Ground State has been out since Jan 2026, and its date stands at Released. Wikipedia is the first source on file to state that period.

What order should I read Expeditionary Force in?

The 19 books of Expeditionary Force are read in this order: Columbus Day, SpecOps, Paradise, Black Ops, Zero Hour, Mavericks, Renegades, Armageddon, Valkyrie, Critical Mass, Brushfire, Breakaway, Fallout, Match Game, Failure Mode, Aftermath, Task Force Hammer, Gateway and Ground State.

Sources ledger

These are the sources behind the last book the site holds.

Ground State, First publication, US: one source Released
SourceStatesAgreesChecked
WikipediaJan 2026Yes11 Sep 2026

Books and their details

Change log

No changes recorded yet.

About the author

Craig Alanson

Roughly every 6 months, from the 19 books since 2016, the longest gap is 12 months.

On-Sale Dates tracks 19 books