Darwin Holmstrom has written, co-written, or contributed to more than 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 Life Harley-Davidson, and The Complete Idiot's Guide to Motorcycles. Darwin is a former senior editor at Motorbooks and former Midwestern editor for Motorcyclist magazine.

Since 1983, Tom Glatch has contributed hundreds of stories and photographs to major collector, Corvette, Mustang, muscle car, and Mopar magazines. Tom grew up during the muscle car era, and his first car was a very quick 1970 Plymouth Duster 340. Tom and his wife, Kelly, have contributed photographs to books by other Motorbooks authors, as well as Motorbooks' Corvette calendars. When not pursuing old muscle cars, Tom is a writer and researcher for Hagerty Marketplace. He lives in southeastern Wisconsin.