Randy Leffingwell wrote his first book, American Muscle, in 1989 while still on staff at the Los Angeles Times. Since then, he has authored another 47 titles for Motorbooks and its sister publisher Voyageur Press, including Porsche 911 50 Years, Corvette 60 Years, and The Art of the Corvette. Leffingwell is considered one of the top Porsche historians working today, and he enjoys a close working relationship with Porsche AG. He lives in southern California, about 100 miles north of Los Angeles.
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.
Randy Leffingwell (Montecito, CA), best-selling MBI author and renowned photographer, has earned a reputation as one of the most thorough researchers working today. He has written and photographed over two dozen books on topics ranging from tractors to motorcycles to cars to barns. Darwin Holmstrom has written or co-written many books on motorcycling, including the best-selling BMW Motorcycles and The Complete Idiot's Guide to Motorcycles. He also contributed essays to The Harley-Davidson Reader and Harley-Davidson Century. Darwin lives in Maple Grove, Minnesota. Bill Davidson is the vice president of core customer marketing for Harley-Davidson Motor Co. He lives in Milwaukee, Wisconsin.