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  Also by James Rollins

  Sigma Force Novels

  The Last Odyssey

  Crucible

  The Demon Crown

  The Seventh Plague

  The Bone Labyrinth

  The 6th Extinction

  The Eye of God

  Bloodline

  The Devil Colony

  The Doomsday Key

  The Last Oracle

  The Judas Strain

  Black Order

  Map of Bones

  Sandstorm

  Individual Adventures

  Altar of Eden

  Ice Hunt

  Amazonia

  Deep Fathom

  Excavation

  Subterranean

  Sanguines series with Rebecca Cantrell

  Blood Infernal

  Innocent Blood

  Blood Gospel

  Tucker Wayne series with Grant Blackwood

  War Hawk

  The Kill Switch

  Copyright

  This is a work of fiction. Names, characters, places, and incidents are products of the author’s imagination or are used fictitiously and are not to be construed as real. Any resemblance to actual events, locales, organizations, or persons, living or dead, is entirely coincidental.

  unrestricted access. Copyright © 2020 by James Czajkowski. All rights reserved under International and Pan-American Copyright Conventions. By payment of the required fees, you have been granted the nonexclusive, nontransferable right to access and read the text of this e-book on-screen. No part of this text may be reproduced, transmitted, downloaded, decompiled, reverse-engineered, or stored in or introduced into any information storage and retrieval system, in any form or by any means, whether electronic or mechanical, now known or hereafter invented, without the express written permission of HarperCollins e-books.

  first edition

  Cover design and illustration by Tony Mauro

  Cover photographs © Dreamstime: Microvone (ancient masonic pentagrams), Yauheni Labanau (stone), Alexmax (parchment)

  Library of Congress Cataloging-in-Publication Data has been applied for.

  Digital Edition SEPTEMBER 2020 ISBN: 978-0-06-268682-4

  Print ISBN: 978-0-06-268680-0

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