First published in Great Britain in 1990

Society for Promoting Christian Knowledge

36 Causton Street

London SW1P 4ST

www.spckpublishing.co.uk

This edition published 2013

Copyright © John M. Hull 1990, 2013

Foreword copyright © Oliver Sacks 2013

All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without permission in writing from the publisher.

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British Library Cataloguing-in-Publication Data

A catalogue record for this book is available from the British Library

ISBN 978–0–281–07073–2

eBook ISBN 978–0–281–07116–6

Typeset and eBook by Graphicraft Limited, Hong Kong