Ninjutsu as a form of defence has few equals. Adam and his school is amongst the best. I count it a privilege to have trained with him. Bear Grylls 10.03.2015. This book explains Japanese war archery, Ninja (sennkunin) archery, Tai Chi of the Li Qi. The Sanada Samurai and their female Onna Bugeisha. The female ninja Onna Sennkunin (kunoichi), An introduction to Shinto, Japanese and Chinese Gardens, Meigetsu Masters. The Kenjutsu Renmei of England Swordschool. Its all here and practiced in the UK. Ninpo Ikkan.