1. Introduction : the nature of metaphysics
2. Identity over time and change of composition
3. Qualitative change and the doctrine of temporal parts
4. Substantial change and spatiotemporal coincidence
5. Necessity and identity
6. Essentialism
7. Possible worlds
8. Counterfactual conditionals
9. Causes and conditions
10. Counterfactuals and event causation
11. Event causation and agent causation
12. Actions and events
13. Events, things, and space-time
14. Absolutism versus relationalism
15. Incongruent counterparts and the nature of space
16. The paradoxes of motion and the possibility of change
17. Tense and the reality of time
18. Causation and the direction of time
19. Realism versus nominalism
20. The abstract and the concrete.