Originally published by Messrs. George Newnes Ltd.
First Published (Second Edition)
by Methuen & Co. . . . October 1906
Third Edition . . . . . October 1908
Fourth Edition . . . . October 1910
Fifth Edition . . . . . July 1912
Sixth Edition . . . . . September 1919
Seventh Edition . . . . April 1927
Eighth and Cheaper Edition . . March 1927
Ninth Edition (Cheap Form) . . . . 1930
Published in Penguin Books . . . . 1936
Printed and Bound in Great Britain by R. Clay & Sons, Ltd. Bungay, Suffolk