Jerry Ahern is one of America's leading authorities on holsters and how to carry concealed weapons. He is the gunleather columnist for Petersen's "Handguns", the author of more than a thousand articles, columns and features in the firearms field, as well as a holster manufacturer and knife designer. Ahern brings more than two decades of concealed carry writing experience (and more than a quarter century of actually carrying concealed weapons on a daily basis) to CCW: Carrying Concealed Weapons.