Sigma Force Series

18 primary works • 27 total works
Sigma Force, an elite covert arm of the US Defense Department made up of former Special Forces officers trained as experts in various scientific fields:

Book 1

Sandstorm
by
3.96 · 54675 Ratings · 2585 Reviews · published 2004 · 4 editions
An inexplicable explosion rocks the antiquities co…

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    Book 2

    Map of Bones
    by
    4.08     · 63261 Ratings · 1973 Reviews · published 2005 · 98 editions
    The bones lead to ancient mysteries and present-da…

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    Book 2.5

    Kowalski's in Love
    by
    4.04     · 1627 Ratings · 99 Reviews · published 2006 · 5 editions
    Experience a heart-pumping and thrilling tale of s…

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    Book 3

    Black Order
    by
    4.16     · 37352 Ratings · 1389 Reviews · published 2006 · 1 edition
    Librarian's note: This is an Alternate Cover Editi…

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    Book 4

    The Judas Strain
    by
    4.17     · 34447 Ratings · 1482 Reviews · published 2007 · 7 editions
    New York Times bestselling author James Rollins…

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    Book 5

    The Last Oracle
    by
    4.17     · 35163 Ratings · 1111 Reviews · published 2008 · 80 editions
    In Washington, D.C., a homeless man dies in Comman…

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    Book 6

    The Doomsday Key
    by
    4.18     · 31570 Ratings · 1216 Reviews · published 2009 · 74 editions
    James Rollins, the "New York Times" bestselling ma…

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    Book 6.5

    The Skeleton Key
    by
    4.14     · 8790 Ratings · 283 Reviews · published 2011 · 8 editions
    From New York Times bestselling author James Rolli…

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    Book 7

    The Devil Colony
    by
    4.19     · 28148 Ratings · 1376 Reviews · published 2011 · 76 editions
    Deep in the Rocky Mountains, a gruesome discovery …

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    Book 7.5

    Tracker
    by
    4.11     · 6068 Ratings · 360 Reviews · published 2012 · 11 editions
    From New York Times bestselling author James Rolli…

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    Book 8

    Bloodline
    by
    4.25     · 24707 Ratings · 1411 Reviews · published 2012 · 84 editions
    James Rollins takes you to the edge of modern medi…

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    Book 9

    The Eye of God
    by
    4.14     · 21629 Ratings · 1341 Reviews · published 2013 · 59 editions
    The crash of a U.S. military research satellite in…

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    Book 9.5

    The Devil's Bones: Cotton Malone vs. Gray Pierce
    by
    3.91     · 1251 Ratings · 66 Reviews · published 2014 · 2 editions
    In this short story from the thrilling anthology F…

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    Book 10

    The 6th Extinction
    by
    4.09     · 19391 Ratings · 1323 Reviews · published 2014 · 64 editions
    In a masterful epic of timeless mystery and rip…

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    Book 10.5

    The Midnight Watch
    by
    3.98     · 3915 Ratings · 213 Reviews · published 2015 · 3 editions
    From New York Times bestselling author James Rolli…

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    Book 11

    The Bone Labyrinth
    by
    4.16     · 17340 Ratings · 1375 Reviews · published 2015 · 51 editions
    A war is coming, a battle that will stretch from t…

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    Book 11.5

    Crash and Burn
    by
    3.98     · 3150 Ratings · 159 Reviews · published 2016 · 6 editions
    New York Times bestselling author James Rollins co…

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    Book 12

    The Seventh Plague
    by
    4.07     · 14805 Ratings · 1050 Reviews · published 2016 · 40 editions
    If the biblical plagues of Egypt truly happened—co…

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    Book 12.5

    Ghost Ship
    by
    4.03     · 2713 Ratings · 129 Reviews · published 2017 · 5 editions
    The discovery of a burned body sprawled on a remot…

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    Book 13

    The Demon Crown
    by
    4.21     · 12721 Ratings · 1022 Reviews · published 2017 · 36 editions
    To save mankind’s future, the members of Sigma For…

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    Book 14

    Crucible
    by
    4.21     · 11845 Ratings · 956 Reviews · published 2019 · 1 edition
    In the race to save one of their own, Sigma Force …

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    Book 15

    The Last Odyssey
    by
    4.19     · 11573 Ratings · 934 Reviews · published 2020 · 1 edition
    To save the world and our future, Sigma Force must…

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    Book 16

    Kingdom of Bones
    by
    4.19     · 9573 Ratings · 736 Reviews · published 2022 · 27 editions
    From #1 New York Times bestselling author James Ro…

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    Book 17

    Tides of Fire
    by
    4.21     · 7735 Ratings · 558 Reviews · published 2023 · 1 edition
    Erbeben, Vulkanausbrüche, Tsunamis – und das ist n…

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    Book 18

    Arkangel
    by
    4.23     · 5230 Ratings · 358 Reviews · published 2024 · 1 edition
    From the #1 New York Times master of international…

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    Book 2.5 6.5 7.5 9.5 10.5 11.5 12.5

    Unrestricted Access: The First Thriller Anthology – Sigma Force Adventures with Tucker Wayne & Kane
    by
    4.18     · 1193 Ratings · 148 Reviews · published 2020 · 21 editions
    Experience the exciting breadth of #1 New York Tim…

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    Book 1-2, 4, 6

    Sandstorm / Map of Bones / The Judas Strain / The Doomsday Key
    by
    4.60     · 167 Ratings · 5 Reviews · 2 editions
    An inexplicable explosion rocks the antiquities co…

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