SEX. By Patrick Geddes and J. Arthur Thompson. The biological aspects of sex and also interesting chapters on sex education, the ethics of sex, and sex and society. Good bibliography.

SEX EDUCATION. By Maurice A. Bigelow. Covers the problems of sex education and of criticisms of sex education.

SEX EDUCATION. By Ira S. Wile, M.D. An excellent little volume for the purpose of assisting parents to banish the difficulties and to suggest a plan for developing a course in sex education. The chapter on terminology is most helpful.

THE SEXUAL LIFE OF A CHILD. By Dr. Albert Moll. An exhaustive study of the origin and development in childhood and youth, of the acts and feelings due to sex. Indispensable to anyone interested in sex education.

THE SEXUAL QUESTION. By August Forel, M.D., Ph.D., LL.D. Translated from the German by C. F. MARSHALL, M.D., F.R.C.S. A comprehensive and reliable study of the subject from biological, historical, social and hygienic viewpoints.

TRAINING OF THE YOUNG IN LAWS OF SEX. By the Hon. E. Lyttelton. A brief presentation, from a lofty point of view of the many phases of the sex problem as it confronts the boy.

The following books on sex education were written for children. They are listed here, not to be put into the hands of the young, but as a help to parents in supplying methods of approach and a usable vocabulary:

THE RENEWAL OF LIFE. By Margaret W. Morley.

THE SEX SIDE OF LIFE. An Explanation for Young People. By Dr. Mary
Ware Dennett (Pamphlet, published by the author, New York.)

THE SPARK OF LIFE. By Margaret W. Morley.