In developing a system of self-defense specifically for women, Bill Underwood took a practical and efficient approach to self-defense for women of the era. Originally published in 1994 "Self-Defense for Women: Combato", takes Bill's "Combato" system and applies it to specific situations and circumstances where the application can be maximized.

A valuable part of martial arts history and an informative guide packed with over 130 photographs to accompany the written explanations of techniques.

William "Bill" Underwood was Canada's top Unarmed Combat Instructor in WWII. It was Bill who created the basis for Canadian Forces Unarmed Combat by way of his system known as "Combato" (1910). All things considered his life work is truly Canada's contribution to the world of unarmed combat and the martial arts.