How can we talk meaningfully about the past if it does not exist to be talked about? What gives time its direction? Is time travel possible? This defence of presentism - the view that only the present exists - makes an original contribution to a fast growing and exciting debate.

Introduction Part I: The Presentist Manifesto 1. When am I? 2. A theory of presentism 3. Some outstanding problems for presentism met 4. Transtemporal relations (III): causation Part II: Presentism and Relativity 5. Physics for philosophers 6. The present dialectic in special relativity 7. Becoming inflated 8. All the time in the worlds: Godel's modal moral

Craig Bourne , University of Hertfordshire