Not so different: finding human nature in animals

Introduction. Emotions, drive, and the brain

1. Why do we play?

2. Animal systems of justice

3. Moral animals

4. Sexual politics

5. Do animals fall in love?

6. The agony of grief

7. Jealous beasts : the dark side of love

8. Darker still : envy, greed, and power

9. Afraid of the dark

10. The richness of animal communication

Epilogue. Metacognition, self-awareness, and the mind.