This revised edition
first published in 1996 by
Green Earth Books,
an imprint of Green Books,
Foxhole, Dartington
Totnes, Devon, TQ9 6EB

Reprinted 2001 with a revised Foreword
Reprinted 2009 (without colour plates)

First published in ebook formats 2010

© 1991-2010 the estate of Robert A. de J. Hart

All rights reserved

British Library Cataloguing in Publication Data
available on request

Print format ISBN 978 1 900322 02 7
PDF format ISBN 978 1 907448 36 2
ePub format ISBN 978 1 907448 37 9