Front Cover© Robert ParkeHarrison. da Vinci's Wings, 1998. Gelatin silver print with mixed media on panel. 45 × 36 inches. Courtesy of Bonni Benrubi Gallery, New York.
Back Cover© Maggie Taylor. Poets House, 1999. Iris inkjet print. 15 × 15 inches.
Focal Press is an imprint of Butterworth–Heinemann.
Copyright © 2001 by Butterworth–Heinemann
A member of the Reed Elsevier group
All rights reserved.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher.