Zimmermann, Karl

Roger Cook's photographs have been featured in numerous books, including several written by Karl Zimmermann. Together they authored "The Western Maryland Railway: Fireballs and Black Diamonds," His images appear regularly in such magazines as "Trains," "Railfan & Railroad," "CTC Board," and "Locomotive and Railway Preservation,"

Karl Zimmermann is a frequent contributor to "Trains" magazine. His stories on trains and travel have also appeared in such publications as the "New York Times," the "Washington Post," the "Los Angeles Times," the "Toronto Globe and Mail," "Railfan & Railroad," "L