Book excerpt: From one of the world's foremost martial arts authorities comes a revolutionary book focusing solely on the attributes of streetfighting. Author Paul Vunak, head of Progressive Fighting Systems and a former trainer for the Navy S.E.A.L. team, takes you step-by-step through a variety of common streetfighting scenarios in the most complete guide to streetfighting ever offered. Using his extensive knowledge in a multitude of hard-core self-defense systems, Vunak shows what it takes to survive a streetfight in the 21st century. Among the attributes discussed in the book are awareness, precision, explosiveness, speed, strength and body mechanics. There also are sections on mass attacks, police, women and legal ramifications.