This volume reports on where the science of black holes, gravitational waves, and time travel will likely lead, as reported by spacetime's most important theoreticians and observers. Here are six essays by those who walk that line, moving ever further out in discovering the patterns of nature.

Future of Spacetime 2003, W. W. Norton & Company

ISBN-13: 9780393324464

Trade paperback

The Future of Spacetime 2002, W. W. Norton & Company, New York, NY

ISBN-13: 9780393020229