This study examines the influence of self-prescribed literature on sex education of female students at the University of Ibadan, Nigeria. The sample population consists of 303 married, engaged, those in love and those yet to fall in love female students. The analysis of data reveals that they read books specifically on friendship, love, marriage and sex, and other related literature on romance, suspense, adventure, science fiction and true life stories. Furthermore, the results show that the main opportunities of instruction on sex and sexual behavior open to the respondents are books, friends and hardly their teachers and parents. They do recommend similar sources of information to their friends and relations. (Contains 6 tables.)