The book "Social Extreme: Studies in Sexual Hygiene and Morality" is a historical work that illuminates the important social issues of the relationship between sexuality, hygiene and morality. The author provides a detailed analysis of the impact of sexual behavior on health and social order, and also considers the issue of sexual rights and responsibilities. The book addresses issues related to the spread of venereal diseases, contraception, abortion, sexual information and sexuality education. The author draws a parallel between the social stability of society and sexual practices, emphasizing the importance of maintaining moral standards in this context. "Social Extreme" opens new horizons for readers in understanding the intersection of sexuality and ethical standards, encouraging discussion and self-reflection. This book is known for the timeliness of the topic and the depth of research, which remains important even in the modern world.