Sigma Force · Book 22

Kingdom of Bones

by James Rollins

Published
1 January 2022
Pages
448
ISBN-13
9780062892997
Type
novel

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Cover of Kingdom of Bones

About this book

The sixteenth Sigma Force novel, "Kingdom of Bones" (2022, 448 pages), continues James Rollins's late-series escalation toward genuinely world-ending stakes, with Gray Pierce's DARPA-backed team once again chasing a conspiracy where cutting-edge science collides with ancient mystery.

Its place in Sigma Force

Kingdom of Bones is book 22 in the Sigma Force series. It follows The Last Odyssey. It is followed by Tides of Fire. 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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