2001: A Spacetime Odyssey, Procs of the Inaugural Conf of the Michigan Center for Theoretical Physics (Hardcover) - Proceedings of the Inaugural Conference of the Michigan Center for Theoretical Physics : Michigan, USA 21-25 May 2001
Strings 2000, Proceedings of the 2000 International Superstrings Conference (Hardcover) - Proceedings of the 2000 International Superstrings Conference, University of Michigan