Sigma Force Books in Order
QUICK ANSWER
Start with Sandstorm (2004), which is book 1, and read in publication order. Each novel has its own mission, but characters and threads carry across the series. Newest: Arkangel (2024).
- 1.
Sandstorm(2004)
Start here - 2.
Map of Bones(2005)
- 3.
Black Order(2006)
- 4.
The Judas Strain(2007)
- 5.
The Last Oracle(2008)
- 6.
The Doomsday Key(2009)
- 7.
The Devil Colony(2011)
- 8.
Bloodline(2012)
- 9.
The Eye of God(2013)
- 10.
The 6th Extinction(2014)
- 11.
The Bone Labyrinth(2015)
- 12.
The Seventh Plague(2016)
- 13.
The Demon Crown(2017)
- 14.
Crucible(2019)
- 15.
The Last Odyssey(2020)
- 16.
Kingdom of Bones(2022)
- 17.
Tides of Fire(2023)
- 18.
Arkangel(2024)
Newest
Upcoming: Into the Serpent's Nest (Sigma Force: A New Era), May 18, 2027
Frequently asked questions
What order should I read Sigma Force in?
Start with Sandstorm (2004), which is book 1, and read in publication order. Each novel has its own mission, but characters and threads carry across the series.
How many books are in Sigma Force?
18 main books, published 2004–2024.
What is the latest Sigma Force book?
The newest book in our reading order for Sigma Force is "Arkangel" (2024).
Can I read Sigma Force out of order?
It's best not to. The books build on each other, so reading out of order spoils earlier twists.
When is the next Sigma Force book coming out?
"Into the Serpent's Nest (Sigma Force: A New Era)" is scheduled for May 18, 2027, according to the linked source. Dates can change, so check the source before planning around it.