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 his most recent Complete Book of Porsche 911 and Corvette 60 Years. He has just finished Porsche 911: Fifty Years, a reexamination of the 911 story based on nearly two dozen new interviews. He lives in southern California, about 100 miles north of Los Angeles. Learn more about him on his website: www.rleffingwell.com.Darwin Holmstrom has written, co-written, or contributed to over 30 books on subjects ranging from Gibson Les Paul guitars and extraordinary goats in mythology to motorcycles and muscle cars, including the best-selling Let's Ride: Sonny Barger's Guide to Motorcycling;Top Muscle: The Rarest Cars from America's Fastest Decade; Camaro: Five Generations of Performance; BMW Motorcycles; The Harley-Davidson Motor Co. Archive Collection; GTO: Pontiac's Great One; Hemi Muscle Cars; Camaro Forty Years; Muscle: America's Legendary Performance Cars; The Complete Idiot's Guide to Motorcycles; and many others. He is the senior editor for Motorbooks, where he has worked for the past fourteen years.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.