Sex: a natural history

1. Sex through the eons.

2. Genes and gender.

3. Where "It" happens.

4. Where "It" really happens.

5. Some enchanted evening.

6. The dating game.

7. Kiss and touch.

8. Aphrodite's drugstore.

9. Orgasm: his, hers, and theirs.

10. Now and forever.

11. Bad sex.

12. Alternative sex.

Epilogue: The compromise between the sexes.