Bulk discounts available. For details visit: www.amacombooks.org/go/specialsales Or contact special sales: Phone: 800-250-5308 Email: specialsls@amanet.org View all the AMACOM titles at: www.amacombooks.org This publication is designed to provide accurate and authoritative information in regard to the subject matter covered. It is sold with the understanding that the publisher is not engaged in ren- dering legal, accounting, or other professional service. If legal advice or other expert assistance is required, the services of a competent professional person should be sought. Acknowledgments for permission to use previously published materials can be found on page 255. Library of Congress Cataloging-in-Publication Data Perkins, Dennis N.T., 1942- Leading at the edge : leadership lessons from the extraordinary saga of Shackleton's Antarctic expedition / Dennis N.T. Perkins ; with Margaret P. Holtman and Jillian B. Murphy. -- 2nd ed. p. cm. Includes bibliographical references and index. ISBN 978-0-8144-3194-8 (pbk.) -- ISBN 0-8144-3194-1 (pbk.) 1. Leadership. 2. Shackleton, Ernest Henry, Sir, 1874-1922. 3. Antarctica--Discovery and exploration--British. 4. Strategic planning. 5. Survival. 6. Explorers--Antarctica. I.Title. HD57.7.P46 2012 658.4'092--dc23 2011051897