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Sigma Force · Book 13

The 6th Extinction

by James Rollins
Published
1 January 2014
Pages
587
ISBN-13
9780061785696
Type
novel
Buy on Amazon All Sigma Force books in order
Cover of The 6th Extinction

About this book

"The 6th Extinction" (2014, 587 pages) is the tenth Sigma Force novel, one of the longer entries in James Rollins's series as it escalates from single-country crises toward genuinely world-ending stakes, while keeping its own central science-and-history mystery self-contained.

Key facts about The 6th Extinction

The 6th Extinction is a novel by James Rollins. Readers have had it since 2014. It runs to 587 pages.

Our list holds 3 editions of The 6th Extinction. Since each edition has its own ISBN, search for 9780061785696 to find the main one.

The 6th Extinction is book 13 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

The 6th Extinction is book 13 in the Sigma Force series. It follows The Eye of God. It is followed by The Midnight Watch. 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

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