Robert A. Sadowski has written about firearms and hunting for nearly fifteen years. He is the author of four gun books, editor of three others (including the annual Gun Trader’s Guide), and contributor to numerous gun-enthusiast magazines, including Combat Handguns, Black Guns, Gun Tests, Gun Digest, Gun World, Ballistic, range365.com, SHOT Business, and others. He is the author of the Book of Glock, Shooter’s Bible Guide to Firearms Assembly, Disassembly, and Cleaning, 50 Guns That Changed the World, and the editor of the original Gun Trader's Guide. He resides in Hampstead, North Carolina.
Stanley J. Ruselowski Jr. is the president of the Glock Collectors Association.