You may have heard that the term sexual has been unjustifiably expanded in the hands of psychoanalysts, allowing them to support claims regarding the sexual origin of neuroses and the sexual significance of their symptoms. You can now judge whether this expansion is justified or not.

We have extended the concept of the term sexual only as far as necessary to include the sexual lives of individuals and children. This book presents four studies on human sexual life. A book that certainly must be read by everyone, but especially addresses young people.

[Excerpt from the text on the back cover of the edition]