A mythic figure in fighting and a legendary member of the -first family of martial arts,- Rickson Gracie is considered the godfather of what we recognize today as Mixed Martial Arts (MMA). Although Rickson-s three decades of total dominance in Jiu Jitsu is astounding, even more astounding is the serenity and spiritual depth of his approach to combat. Some consider Jiu Jitsu a martial art, others consider it a sport, but to Gracie, it is a philosophical system he uses to face and evaluate life-s challenges and maintain happiness and peace of mind.Gracie wrote Comfort in Darkness after being diagnosed with Parkinson-s Disease, a terminal sentence which he views as the greatest fight of his life, one he knows he will eventually lose. This is Gracie-s defining life statement about his spiritual and technical practice. For the first time, he reveals his time-tested theories and techniques of invisible Jiu Jitsu, a combat system anyone can use to awaken their power and apply it to their ever