This book compiles recent work relevant to such notions as space drives, warp drives, gravity control, and faster-than-light travel, breakthroughs which would revolutionize spaceflight and allow human voyages to other star systems. It covers NASA's Breakthrough Propulsion Physics Project from 1996 to 2002, as well as other related work. Early chapters lay the groundwork for the technical details to follow. Later chapters review recent advances in propulsion without rockets, energy considerations for spacecraft power systems, and known relativistic limits and faster-than-light implications from both general relativity and quantum physics. A final section offers suggestions for managing and conducting research on such visionary topics. The readership for the book includes scientists, engineers, and graduate students. Millis headed NASA's Breakthrough Propulsion Physics Project at NASA Glenn Research Center. Davis is a senior research physicist at the Institute for Advanced Studies at Austin. Annotation ©2009 Book News, Inc., Portland, OR (booknews.com)