Sigma Force Books in Order

Series Information

18 Books

Book Title	Year	Amazon USA	Amazon UK
1. Sandstorm	(2004)	Buy on Amazon.com	Buy on Amazon.co.uk
2. Map of Bones	(2005)	Buy on Amazon.com	Buy on Amazon.co.uk
3. Black Order	(2006)	Buy on Amazon.com	Buy on Amazon.co.uk
4. The Judas Strain	(2007)	Buy on Amazon.com	Buy on Amazon.co.uk
5. The Last Oracle	(2008)	Buy on Amazon.com	Buy on Amazon.co.uk
6. The Doomsday Key	(2009)	Buy on Amazon.com	Buy on Amazon.co.uk
7. The Devil Colony	(2010)	Buy on Amazon.com	Buy on Amazon.co.uk
8. Bloodline	(2012)	Buy on Amazon.com	Buy on Amazon.co.uk
9. The Eye of God	(2013)	Buy on Amazon.com	Buy on Amazon.co.uk
10. The 6th Extinction	(2014)	Buy on Amazon.com	Buy on Amazon.co.uk
11. The Bone Labyrinth	(2015)	Buy on Amazon.com	Buy on Amazon.co.uk
12. The Seventh Plague	(2016)	Buy on Amazon.com	Buy on Amazon.co.uk
13. The Demon Crown	(2017)	Buy on Amazon.com	Buy on Amazon.co.uk
14. Crucible	(2018)	Buy on Amazon.com	Buy on Amazon.co.uk
15. The Last Odyssey	(2020)	Buy on Amazon.com	Buy on Amazon.co.uk
16. Kingdom of Bones	(2022)	Buy on Amazon.com	Buy on Amazon.co.uk
17. Tides of Fire	(2023)	Buy on Amazon.com	Buy on Amazon.co.uk
18. Arkangel	(2024)	Buy on Amazon.com	Buy on Amazon.co.uk

For the best experience, read the Sigma Force series in the order shown above. Each book builds on the previous story and character development.