This is a work of fiction. All of the characters, organizations, and events portrayed in this novel are either products of the author’s imagination or are used fictitiously.

A THOMAS DUNNE BOOK FOR MINOTAUR BOOKS.

An imprint of St. Martin’s Publishing Group.

HARD LIGHT. Copyright © 2016 by Elizabeth Hand. All rights reserved. For information, address St. Martin’s Press, 175 Fifth Avenue, New York, N.Y. 10010.

Epigraph here from The Command to Look: A Master Photographer’s Method for Controlling the Human Gaze by William Mortensen and George Dunham. Feral House, 2014; Camera Craft Publishing Company, 1937. Used by permission.

Epigraph here from Flash in Modern Photography by William Mortensen. Camera Craft Publishing Company, 1941. Used by permission.

Epigraph here from Pictorial Lighting by William Mortensen. Camera Craft Publishing Company, 1935. Used by permission.

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Cover design by David Baldeosingh Rotstein

Cover photographs: Cave © Chris Kench; silhouette © Stephen Mulcahey/Arcangel Images; inside cave © Andreiuc88/Shutterstock; sky © Kosmos111/Shutterstock

The Library of Congress Cataloging-in-Publication Data is available upon request.

ISBN 978-1-250-03038-2 (hardcover)

ISBN 978-1-250-03037-5 (e-book)

e-ISBN 9781250030375

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First Edition: April 2016