First published December 1929 Second Impression December 1929 Third Impression December 1929 Fourth Impression January 1930 Fifth Impression April 1930 Sixth Impression October 1930 Seventh Impression October 1931 Eighth Impression March 1935 Published in Pelican Books 1938 Reprinted 1942
Made and printed in Great Britain for Penguin Books Ltd. by W. S. Cowell, Limited, Ipswich and London