In addition to being Handguns Editor for America's largest general-circulation shooting magazine, Guns & Ammo, Patrick Sweeney is Gun Digest Books' best-selling single author. His titles include The Gun Digest Book of the 1911 Vols. 1 & 2, The Gun Digest Book of the Glock Vols. 1 & 2, The Gun Digest Book of the AR-15 Vols. 1, 2, 3 & 4, Gunsmithing: Rifles, and Gunsmithing: Pistols & Revolvers 1 & 2.