SIGMA Force Books In OrderPublication Order of Sigma Force BooksAbout the Sigma Force seriesOne Response to “SIGMA Force”Leave a Reply
| Sandstorm | (2004) | Description / Buy at Amazon |
| Map of Bones | (2005) | Description / Buy at Amazon |
| Black Order | (2006) | Description / Buy at Amazon |
| The Judas Strain | (2007) | Description / Buy at Amazon |
| The Last Oracle | (2008) | Description / Buy at Amazon |
| The Doomsday Key | (2009) | Description / Buy at Amazon |
| The Devil Colony | (2010) | Description / Buy at Amazon |
| Bloodline | (2012) | Description / Buy at Amazon |
| The Eye of God | (2013) | Description / Buy at Amazon |
| The 6th Extinction | (2014) | Description / Buy at Amazon |
| The Bone Labyrinth | (2015) | Description / Buy at Amazon |
| The Seventh Plague | (2016) | Description / Buy at Amazon |
| The Demon Crown | (2017) | Description / Buy at Amazon |
| Crucible | (2018) | Description / Buy at Amazon |
| The Last Odyssey | (2020) | Description / Buy at Amazon |
| Kingdom of Bones | (2022) | Description / Buy at Amazon |
| Tides of Fire | (2023) | Description / Buy at Amazon |
| Arkangel | (2024) | Description / Buy at Amazon |