Grant Cunningham is a renowned self-defense author, teacher, and internationally known gunsmith (retired). He's the author of The Gun Digest Book of the Revolver, Shooter's Guide to Handguns, Defensive Pistol Fundamentals, and Handgun Training: Practice Drills for Defensive Shooting, and has written articles on shooting, self-defense, training and teaching for many magazines, shooting websites and his blog at grantcunningham.com.