GEORGE ALLEN & UNWIN LTD 

 London: 40 Museum Street, W.C.i 



Auckland: 24 Wyndham Street 



Bombay: 15 Graham Road, Bollard Estate, Bombay i 

 Calcutta: 17 Chittaranjan Avenue, Calcutta 13 



Cape Town: 109 Long Street 



Karachi: Metherson s Estate, Wood Street, Karachi 2 

 New Delhi: 13-14 Ajmeri Gate Extension, New Delhi i 



Sao Paulo: Avenida g de Julho ii^S-Ap. 51 



Singapore, South East Asia and Far East, $6c, Prinsep Street 



Sydney, N.S.W.: Bradbury House, 55 York Street 



Toronto: 91 Wellington Street West 



