The Recurring Cast
Character guide · 18 books · 2004 to 2024

James Rollins

Thriller and suspenseAction and adventure

Sigma Force is a covert team of scientists turned soldiers inside DARPA, led in the field by Commander Grayson Pierce, chasing threats where science, history and myth collide.

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. Rollins’s other series and standalones are left out. Sigma Force book 19 (2027) is not yet out.

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Who appears in which book

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LLeadMMajor·MinorHas a note
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James Rollins 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.

Sigma Force

18 books · Set around the worldAction and adventure
  1. 1Sandstorm2004With Painter CroweBuy on Amazon
  2. 2Map of Bones2005With Grayson PierceBuy on Amazon
  3. 3Black Order2006With Grayson PierceBuy on Amazon
  4. 4The Judas Strain2007With Grayson PierceBuy on Amazon
  5. 5The Last Oracle2008With Grayson PierceBuy on Amazon
  6. 6The Doomsday Key2009With Grayson PierceBuy on Amazon
  7. 7The Devil Colony2010With Grayson PierceBuy on Amazon
  8. 8Bloodline2012With Grayson PierceBuy on Amazon
  9. 9The Eye of God2013With Grayson PierceBuy on Amazon
  10. 10The 6th Extinction2014With Grayson PierceBuy on Amazon
  11. 11The Bone Labyrinth2015With Grayson PierceBuy on Amazon
  12. 12The Seventh Plague2016With Grayson PierceBuy on Amazon
  13. 13The Demon Crown2017With Grayson PierceBuy on Amazon
  14. 14Crucible2019With Grayson PierceBuy on Amazon
  15. 15The Last Odyssey2020With Grayson PierceBuy on Amazon
  16. 16Kingdom of Bones2021With Grayson PierceBuy on Amazon
  17. 17Tides of Fire2023With Grayson PierceBuy on Amazon
  18. 18Arkangel2024With Grayson PierceBuy on Amazon

Characters

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

Sigma Force