Suggested reading for anyone who plans on fighting back is "Kill or Get Kill" by Col. Rex Applegate. Its available here in PDF format. Not everyone has the time and inclination to become proficient at a martial art, but Col. Applegates book is geared towards making a person dangerous in a couple of hours accumulated several minutes at a time. A lot of it is police and military training ranging from unarmed offense and defense up to rifle marksmanship and riotcontrol. But the first couple of chapters on unarmed offense and defense are really helpful.