paizo.com - Class Expansions: Ninja Tricks (PFRPG) PDF
Ninja Mind Tricks: Take Control of Your Life with the Secret Mental Powers of Japan's shinobi Warriors - Kindle edition by Maguire, Michael. Self-Help Kindle eBooks @ Amazon.com.
Black Legion Ninja "Bag of Tricks" w/ sheath - Military Outlet
Flips and Ninja Tricks | Martial Arts | Endurance Taekwondo | Torquay