Ninjas have long been one of the greatest kinds of warriors one can aspire to be.  Espionage, sabotage, infiltration, assassination, combat, all under the cover of darkness and silent anonymity - what could be better?  Instructables users have known this for a long time and have been making their own ninja costumes, weapons, and guides on the subject to bring a little more perfect warrior darkness into their lives.  This guide shows off some of the best projects we've got to make you a ninja.