"Edukacja seksualna." . . "Sex Education Juvenile Literature." . . "Sex instruction for youth." . . . . . . "For other editions, see Author Catalog." . . . . . . . . . . . . . . . . . "Educación sexual para adolescentes" . "Educación sexual para adolescentes"@es . . . . . . . . . . . . . . . "Love and sex in plain language"@en . "Love and sex in plain language" . "Describes development of sexual characteristics in boys and girls, explains the physiology of intercourse, pregnancy, and birth, and discusses homosexuality, masturbation, contraception, and VD." . "Describes development of sexual characteristics in boys and girls, explains the physiology of intercourse, pregnancy, and birth, and discusses homosexuality, masturbation, contraception, and VD."@en . "Simply and explicitly written book about sex for junior and senior school students. 16PT."@en . . . . . "Describes development of sexual characteristics in boys and girls; explains the physiology of intercourse, pregnancy, and birth; and discusses homosexuality, masturbation, contraception, and VD."@en . . . . "Describes development of sexual characteristics in boys and girls; explains the physiology of intercourse, pregnancy, and birth; and discusses homosexuality, masturbation, contraception, and VD." . . . . . . . "Love and sex in plain langauge"@en . . . . . . . . . . "Zheng que xing zhi shi" . "正確性知識" . . . . . . . . "Describes development of sexual characteristics in boys and girls; explains the physiology of intercourse, pregnancy and birth; and discusses homosexuality, masturbation, contraception and VD."@en . . . "Love and sex in plain language illus.by R.Hoover. Foreword by emily H.mudd.New rev.ed" . . . . . . "Juvenile works" . . . . . . "Educació sexual per a adolescents." . . "Educación sexual de jóvenes." . . "Sex instruction." . . "Educacao sexual." . . "Adolescentes." . . "Sexualité." . . "Education sexuelle." . . "Éducation sexuelle." . "Edukacja seksualna młodzieży." . .