More than 1,000 years ago, the people of Iga, the mountainous region of Japan, were forced to rise up against their merciless Samurai oppressors. Out of this struggle, nine traditions of the ninja arts grew. The ninjas' strength enabled the mind to believe it was the master of its fate. This power is known as ninjitsu. In his groundbreaking books ''Knights of Darkness ''and ''Mind Manipulation, '' Dr. Haha Lung has shown the ultimate power of controlling the mind of your enemy. In ''The Nine Halls of Death ''he reveals the mystical power of overcoming your opponent's body through the Japanese art of ninjitsu. Dr. Lung reveals the secret to mastering all nine ''halls'' (training areas) of the ninja;from unarmed combat and combat with various weapons to the mental crafts of stealth and spying. Dr. Lung guides you through such invaluable ninjitsu techniques as: The art of disguise;physical and mental disciplineThe Seventh Hall;the art of EspionageMastering self and others through hand yoga (kuji-kiri) and upsetting balance (in-yo-jutsu) The art of mysticism (which include memory enhancement, visualization, and even self-hypnosis). By unlocking the ancient secrets of the masters, the modern fighter will learn to unleash the warrior within and discover the magical point where physical mastery melds with mental clarity. For academic study only Dr. Haha Lung is the author of more than a dozen books on martial arts, including ''Assassin!, Mind Manipulation, Ninja Shadowhand, Knights of Darkness, Mind Control: The Ancient Art of Psychological Warfare, '' and ''The Lost Fighting Arts of Vietnam.''