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© 1987 BMG Songs, Inc. and Don Schlitz Music/MCA Music.

Used by permission.
All rights reserved.
“Strong Enough to Bend.

” Words and music by Don Schlitz and Beth Nielson
Chapman. ©Copyright 1988 by MCA Music Publishing, a Division of MCA Inc., Don
Schlitz Music and Uncle Artie Music, a division of The MTM Music Group.

Rights of Don Schlitz Music administered by MCA Music Publishing, a division of MCA
Inc., New York, New York 10019.

Used by permission.

All rights reserved.

All rights reserved
Printed in the United States of America
The text of this book is composed in Aster
with the display set in Avant Garde Gothic
Manufacturing by The Maple-Vail Book Manufacturing Group.
Book design by Jacques Chazaud
Library of Congress Cataloging-in-Publication Data
Levy, Matthys.

Why buildings fall down: how structures fail I Matthys Levy and
Mario Salvadori.
p. em.
Includes index.
I. Building failures. 2. Structural failures.

I. Levy, Matthys, 1929-
Salvadori, Mario George, 1907-

To the memory of my mother-in-law, Judith Bookman, who, upon receiving

on her ninety-second
birthday the first copy of Why Buildings Stand Up,
said matter-of-factly: “This is nice, but I would be
much more interested in reading why they fall
To the children yet unborn
For whom discovering the past
Will open the door to the future.