Preface
1. Why Have Sex?
2. Attraction
3. Arousal
4. Orientation
5. Having Sex
6. Relationships
7. Paraphilias
8. Pedophilia
9. Porn
10. Rape
11. Love
Notes
Glossary
Index

Simon LeVay is a neuroscientist and writer who has served on the faculties of Harvard Medical School and the Salk Institute for Biological Studies. He is best known for his 1991 report documenting a difference in brain structure between gay and straight men. LeVay is author or coauthor of twelve books, including a leading textbook on human sexuality.