Published by Tuttle Publishing an imprint of Periplus Editions (HK) Ltd.

© 1970 by Charles E. Tuttle Publishing Co., Inc. All rights reserved

LCC Card No. 70-109415
ISBN 0-8048-0885-6
ISBN 978-1-4629-1683-2 (ebook)

First edition, 1970
Thirty-third printing, 2003

Printed in Singapore

Distributed by:

Japan
Tuttle Publishing
Yaekari Building, 3rd Floor
5-4-12 Osaki, Shinagawa-ku
Tokyo 141-0032
Tel: (03) 5437 0171; Fax: (03) 5437 0755
Email: tuttle-sales@gol.com

North America, Latin America & Europe
Tuttle Publishing
Airport Industrial Park
364 Innovation Drive
North Clarendon, VT 05759-9436
Tel: (802) 773 8930; Fax: (802) 773 6993
Email: info@tuttlepublishing.com

Asia Pacific
Berkeley Books Pte. Ltd.
61 Tai Seng Avenue, #02-12
Singapore 534167
Tel: (65) 6280 1330; Fax: (65) 6280 6290
Email: inquiries@periplus.com.sg