However, the book isn't just for gun buffs; it is also packed with valuable information for anyone who wants to be safe, whether in the home or on the street. It will teach you how to gain a half-second advantage over any opponent, which will allow you to overcome what may appear to be overpowering odds, and win the battle. There is also valuable information on choosing handguns for personal defense, and the different types of holsters to carry them.