US ARMY SPECIAL FORCES FIGHTING KNIVES OF THE VIETNAM WAR, THE SOG KNIFE is the definitive collectors guide to these elusive knives. The limited edition (250 copies) is hard cover with a dust jacket and is 414 pages. The book explains the creation of the Counter Insurgency Support Office (CISO) and the development of the nine different models. The designs are shown in color photographs (160 knives) with period pictures of them being utilized during The War. The publication also covers the 5th Special Forces Group (ABN) Mess Association knives that were presented to veterans at the completion of their tour.