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Sigma Force · Book 20

Crucible

by James Rollins

Published
22 January 2019
Pages
480
ISBN-13
9780062381781
Type
novel

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Cover of Crucible

About this book

Published in January 2019 at 480 pages, "Crucible" is the fourteenth Sigma Force novel, keeping the series' ensemble cast and their personal entanglements threading through another James Rollins mission built on real science and history escalated into a globe-spanning conspiracy.

Its place in Sigma Force

Crucible is book 20 in the Sigma Force series. It follows The Demon Crown. It is followed by The Last Odyssey. 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…

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