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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 · 54896 Ratings · 2592 Reviews · published 2004 · 120 editions
An inexplicable explosion rocks the antiquities co…

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    Book 2

    Map of Bones
    by
    4.08     · 63413 Ratings · 1979 Reviews · published 2005 · 32 editions
    The bones lead to ancient mysteries and present-da…

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    Book 2.5

    Kowalski's in Love
    by
    4.04     · 1639 Ratings · 102 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     · 37460 Ratings · 1397 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     · 34549 Ratings · 1489 Reviews · published 2007 · 120 editions
    New York Times bestselling author James Rollins…

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    Book 5

    The Last Oracle
    by
    4.17     · 35254 Ratings · 1114 Reviews · published 2008 · 1 edition
    In Washington, D.C., a homeless man dies in Comman…

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    Book 6

    The Doomsday Key
    by
    4.18     · 31658 Ratings · 1217 Reviews · published 2009 · 1 edition
    James Rollins, the "New York Times" bestselling ma…

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    Book 6.5

    The Skeleton Key
    by
    4.14     · 8817 Ratings · 284 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     · 28221 Ratings · 1376 Reviews · published 2011 · 2 editions
    Deep in the Rocky Mountains, a gruesome discovery …

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    Book 7.5

    Tracker
    by
    4.11     · 6084 Ratings · 361 Reviews · published 2012 · 11 editions
    From New York Times bestselling author James Rolli…

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    Book 8

    Bloodline
    by
    4.25     · 24777 Ratings · 1413 Reviews · published 2012 · 70 editions
    James Rollins takes you to the edge of modern medi…

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    Book 9

    The Eye of God
    by
    4.14     · 21708 Ratings · 1344 Reviews · published 2013 · 60 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
    3.92     · 1266 Ratings · 67 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     · 19475 Ratings · 1330 Reviews · published 2014 · 58 editions
    In a masterful epic of timeless mystery and rip…

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    Book 10.5

    The Midnight Watch
    by
    3.98     · 3932 Ratings · 213 Reviews · published 2015 · 4 editions
    From New York Times bestselling author James Rolli…

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    Book 11

    The Bone Labyrinth
    by
    4.16     · 17432 Ratings · 1377 Reviews · published 2015 · 47 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     · 3166 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     · 14921 Ratings · 1055 Reviews · published 2016 · 42 editions
    If the biblical plagues of Egypt truly happened—co…

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    Book 12.5

    Ghost Ship
    by
    4.03     · 2729 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     · 12787 Ratings · 1026 Reviews · published 2017 · 37 editions
    To save mankind’s future, the members of Sigma For…

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    Book 14

    Crucible
    by
    4.21     · 11948 Ratings · 959 Reviews · published 2019 · 33 editions
    In the race to save one of their own, Sigma Force …

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    Book 15

    The Last Odyssey
    by
    4.19     · 11661 Ratings · 942 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     · 9674 Ratings · 741 Reviews · published 2022 · 29 editions
    From #1 New York Times bestselling author James Ro…

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    Book 17

    Tides of Fire
    by
    4.21     · 7855 Ratings · 566 Reviews · published 2023 · 20 editions
    In the latest riveting thriller from James Rollins…

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    Book 18

    Arkangel
    by
    4.23     · 5426 Ratings · 372 Reviews · published 2024 · 14 editions
    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
    4.17     · 1214 Ratings · 151 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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