What books are you reading that benefit you?

I'm about to read:Air Marshals by Marcus Wynne.My wife is reading The Gift of Fear: And Other Survival Signals That Protect Us from Violence by Gavin de BeckerHere is a good jumping off point:http://ift.tt/2lXQXAe books are you reading in efforts to be more prepared for the fight? via /r/CCW http://ift.tt/2le4nLo