Massad Ayoob is regarded as one of the world's foremost fighting handgun instructors. He runs the Lethal Force Institute, which educates both U.S. and foreign military personnel. and clients from throughout the world The United States has embraced his tactics of reflexive, high-speed, yet precise shooting. as part of a normal pistol-training session for the army. Combat Handgunnery, The Gun Digest Book of Sig-Sauer, and The Gun Digest Book of Beretta Pistols are just a few of the works Massad has published for Krause Publications.