SIGMA Force is a series of novels by James Rollins.
Novels:
• Sandstorm (2004)
• Map of Bones (2005)
• Black Order (2006)
• The Judas Strain (2007)
• The Last Oracle (2008)
• The Doomsday Key (2009)
• The Devil Colony (2011)
• Bloodline (2012)
• The Eye of God (2013)
• The 6th Extinction (2014)
• The Bone Labyrinth (2015)[36]
• The Seventh Plague (2016)
• The Demon Crown (2017)
• Crucible (2019)
• The Last Odyssey (2020)
Novellas and Short Stories:
• Kowalski's in Love (2006) - short story collected in Thriller: Stories to Keep You Up All Night
• The Skeleton Key (2011)- published as an eBook
• Tracker (2012) - published as an eBook
• The Devil's Bones: Cotton Malone vs. Grey Pierce (2014) (with Steve Berry); short story collected in FaceOff
• The Midnight Watch (2015) - published as an eBook
• Crash and Burn (2016) - short story
• Ghost Ship (2017) - short story
