Simon LeVay is a British-born neuroscientist turned writer and teacher. He has served on the faculties of the Harvard Medical School and the Salk Institute for Biological Studies and has taught at Harvard; the University of California, San Diego; and Stanford University. He is best known for a 1991 study that described a difference in brain structure between heterosexual and homosexual men. This study sparked a wealth of new research on thebiology of sexual orientation. LeVay is the author or coauthor of eleven books, one of which is an historical novel, The Donation of Constantine (2013).

• 1. Sexuality: Pathways to Understanding 2. Female Bodies 3. Male Bodies 4. Sexual Development 5. Gender 6. Attraction, Arousal, and Response 7. Sexual Behavior 8. Sexual Relationships 9. Fertility, Pregnancy and Childbirth 10. Contraception and Abortion 11. Sexual Orientation 12. Sexuality Across the Lifespan 13. Atypical Sexuality 14. Sexual Disorders 15. Sexually Transmitted Infections 16. Sexual Assault, Harassment and Partner Violence 17. Sex Work Appendix A. Sex and Evolution Appendix B. Sex and the Nervous System

Simon LeVay is a British-born neuroscientist turned writer and teacher. He has served on the faculties of the Harvard Medical School and the Salk Institute for Biological Studies and has taught at Harvard; the University of California, San Diego; and Stanford University. He is best known for a 1991 study that described a difference in brain structure between heterosexual and homosexual men. This study sparked a wealth of new research on thebiology of sexual orientation. LeVay is the author or coauthor of eleven books, one of which is an historical novel, The Donation of Constantine (2013).

• 1. Sexuality: Pathways to Understanding 2. Female Bodies 3. Male Bodies 4. Sexual Development 5. Gender 6. Attraction, Arousal, and Response 7. Sexual Behavior 8. Sexual Relationships 9. Fertility, Pregnancy and Childbirth 10. Contraception and Abortion 11. Sexual Orientation 12. Sexuality Across the Lifespan 13. Atypical Sexuality 14. Sexual Disorders 15. Sexually Transmitted Infections 16. Sexual Assault, Harassment and Partner Violence 17. Sex Work Appendix A. Sex and Evolution Appendix B. Sex and the Nervous System