1. Breaking the Taboo 2. Why the Hostility to Sex 3. "Unnatural Sex" 4. Sex Need Not Be a Sin: Some Alternative Views (China, India, Islam) 5. The Secret Sin 6. Sex vs. Gender (Transvestism, Transsexualism) 7. Pregnancy, Contraceptives, and Abortion 8. Should People Who Menstruate be Admitted to Harvard? 9. Prostitution and the Pox 10. Pornography, Obscenity, or Personal Preference? 11. Nudism and Clothing 12. Homosexuality, Sex Labelling and Stigmatized Behavior 13. Sex in a Changing World