This book contains nearly a complete collection of papers presented at the Third International Symposium on Beamed Energy Propulsion. It will provide an inspirational reading to researchers in the field of advanced propulsion, students and faculty in physics and engineering departments, as well as a general audience concerned with the future exploration of space. Topics include: Systems and Missions; Lightcraft Dynamics; Microwave Beamed-Energy Propulsion; Lasers for Propulsion; Ablative Laser Propulsion and Related Techniques; Airspikes; New Vehicle Concepts; Fundamental Issues.