Darwin Holmstrom has written, co-written, or contributed to over thirty books on subjects ranging from motorcycles and muscle cars to Gibson Les Paul guitars, including Indian Motorcycles, GTO: Fifty Years, Let's Ride: Sonny Barger's Guide to Motorcyclying,Top Muscle: The Rarest Cars from America's Fastest Decade, BMW Motorcycles, The Harley-Davidson Motor Co. Archive Collection, and The Complete Idiot's Guide to Motorcycles. Darwin is the senior editor for Motorbooks. Prior to that he served as Midwestern editor for Motorcyclist magazine.
David Newhardt is one of the best automobile photographers working today and has provided photography for best-selling Motorbooks titles Muscle: America’s Legendary Performance Cars, Corvette: Fifty Years, Mustang: Forty Years, Mopar Muscle: Fifty Years, and Shelby Mustang: Racer for the Street. He lives in Walworth, Wisconsin.