"Sex and the Single Girl" is a groundbreaking book written by Helen Gurley Brown in 1962. It offers advice to single women on how to navigate their personal and professional lives while embracing their sexuality. The book encourages women to be independent, pursue careers, and enjoy relationships without societal stigma. The publication challenged traditional views on women's roles and sexuality, promoting the idea that single women could lead fulfilling lives. It became a cultural phenomenon, influencing the feminist movement and shaping discussions around women's rights and sexual liberation during the 1960s.