DEDICATION 



To the boys and girls of to-day, who hold all the pos- 

 sibilities of the future in their keeping. 



To mothers and fathers, upon whom rests the vast 

 responsibility of directing the minds and moulding the 

 characters of the coming generation; 



To educators by profession in every rank from kinder- 

 garten to university; 



To members of the traditional "learned" professions, 

 who are of necessity leaders of thought and f ormulators 

 of ideals in the community; and 



To intelligent men and women in any walk of life who 

 aspire to keep abreast of their times and to broaden their 

 horizons: 



The books of this series, designed to contribute to the 

 progress of civilization through the dissemination of 

 useful knowledge, are dedicated. 



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