Free Download Filipino Combat Systems Ebook. Filipino Combat Systems chronicles the creation, evolution and core concepts of one of the fastest growing martial arts in the world. It overcomes the shortcomings inherent in martial art instruction manuals by focusing not on technique, but on the strategy and philosophy of movement behind the technique. Written by a first generation student under the authority and supervision of the system's Founder and Grand Master, this work is an excellent introduction to the system. FCS is one of the most practical combat oriented martial systems in existence, bridging the gap between the ancient fighting arts and the modern world.