Sigma Force · Book 9
The Devil Colony
- Published
- 1 January 2011
- Pages
- 496
- ISBN-13
- 9780061785658
- Type
- novel

About this book
At 496 pages, "The Devil Colony" (2011) is the seventh Sigma Force novel, following Gray Pierce's DARPA unit into another James Rollins conspiracy built on the series' signature mix: a real scientific or historical hook escalated into a globe-spanning threat, footnoted by the author's closing research note.
Its place in Sigma Force
The Devil Colony is book 9 in the Sigma Force series. It follows The Skeleton Key. It is followed by Tracker. See the full Sigma Force reading order.
Sigma Force is a covert unit of the U.S. Defense Advanced Research Projects Agency (DARPA), staffed by former special-forces operatives cross-trained as scientists and sent to investigate threats where cutting-edge science and ancient mystery collide. Every novel pairs a real scientific or historical hook — CRISPR gene editing, quantum physics, lost expeditions, ancient plagues, cryptozoology, Norse and biblical lore — with a globe-spanning conspiracy, and James Rollins (a veterinarian by training) grounds even…
Editions
- edition · unknown publisher · — · ISBN 9780061785658
- edition · unknown publisher · — · ISBN 9780062128478