Darwin Holmstrom has written, co-written, or contributed to over forty books on subjects ranging from motorcycles and muscle cars to the role of goats in mythology and Gibson Les Paul guitars. His books include American Muscle Cars, Let’s Ride: Sonny Barger’s Guide to Motorcycling, and The Complete Idiot’s Guide to Motorcycles. He’s currently working on his latest book, How to Build a Guillotine from Upcycled Pallets and other Ecologically Sound Tips for the Environmentally Conscious Revolutionary.