The second edition of the book by the famous American sex therapist Ruth Westheimer Sex for Dummies is designed to increase the reader's sexual literacy. In a popular form, but at the same time informative, it reveals the basics of anatomy, physiology and psychology of sex, gives advice on the basics of partnerships. Considerable attention is paid to methods of contraception and the description of sexually transmitted diseases, i.e. the problem of safe sex, as well as ways to achieve sexual satisfaction. The author pays great attention to the problems of educating the right attitude to sex in adolescents. The book will be of interest to a wide range of readers, including those who consider themselves knowledgeable about sex.