Tracker
- Published
- 1 January 2012
- Pages
- 74
- ISBN-13
- 9780062233929
- Type
- short
About this book
"Tracker" is one of the digital-only Sigma Force short stories James Rollins published between numbered novels, sitting between "The Devil Colony" and "Bloodline" in 2012 — an optional character vignette for series readers rather than one of the eighteen novels that carry the main plot.
Key facts about Tracker
Tracker is a short story by James Rollins. Readers have had it since 2012. It runs to 74 pages.
Our list holds 1 edition of Tracker. Since each edition has its own ISBN, search for 9780062233929 to find the main one.
Tracker is book 10 of 24 in the Sigma Force series. The series has 24 published books. However, the series starts with Sandstorm (2004). Crucible is the latest book in the series with a full release date, out on 22 January 2019.
Additionally, James Rollins writes Order of the Sanguines, Tucker Wayne and Moonfall as separate series. Those series sit on our thriller, supernatural thriller and fantasy shelves. Meanwhile, Trust No One is the latest published James Rollins book on file, from 24 February 2026. The next announced James Rollins release is due on 1 December 2026, so there is still more to come.
About James Rollins
James Rollins is the pen name of James Czajkowski, an American author and former veterinarian who left his practice to write adventure thrillers that blend cutting-edge science, historical mystery, and globe-trotting action. See every James Rollins book in order.
Its place in Sigma Force
Tracker is book 10 in the Sigma Force series. It follows The Devil Colony. It is followed by Bloodline. 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 9780062233929