This is a study of warfare fought in the name of God by Jews. Christians. and Muslims from biblical until modem times. The book is impressive in its scope and in the wide range of authorities consulted; the author has gone out of his way to be neutral and impartial. https://www.roneverhart.com/Ryukyu-Kobujutsu-Buki-Jutsu-Vol-2-DVD-with-Kiyoshi-Yogi/