"Youth and Sex: Dangers and Safeguards for Girls and Boys" by Mary Scharlieb, M.D., M.S., and F. Arthur Sibly, M.A., LL.D. delves into the critical years of adolescence, focusing on the physical, mental, and moral development of girls and boys. The authors provide insights into the changes observable during puberty and adolescence, emphasizing the importance of understanding the physiological transformations that occur during this period.