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 Harley-Davidson Myth and Mystyique. He lives in southern California, about 100 miles north of Los Angeles.