Secrets of Invisibility

First published in 1983, NINJA-Secrets of Invisibility has proven to be the definitive work on the ancient Japanese martial art of infiltration, espionage and vanishing without leaving a trace.
Learn for yourself the secret methods of
the feared and dreaded Ninja, invisible assassins of ancient Japan, and how their techniques are still used today for military and covert operations.
INCLUDING:
*The Secret of the Silent Cross Step
*The Psychic Technique of Sentry Control
*Passing and Avoiding Armed Guards
*The Sentryhold
*The Sleeperhold
*The Ninja Deathlock
*Commando Knife Techniques
*AN SHA CHE-Death by Darkness

"Now the Evil Ones will know WHY they fear the shadows lurking around every corner...
In every darkened room... As relentless as their own guilty conscience...
Because they know the Black Dragon Tong of Retribution NEVER FORGIVES, NEVER FORGETS, and NEVER FAILS......