"In this book, moto-journalist Christopher P. Baker offers a complete guide to every production engine ever built by the USA's leading motorcycle brand. Packed with technical data and specifications for all the engine families, the text examines key innovations in minute detail while capturing the spirit of more than a century of mechanical excellence that has come to embody the American Dream. Superlative 3D illustrations showcase the engines including unique detailed close-ups that reveal their inner workings and more than 45 bike model variations make this book a must-have for every Harley-Davidson aficionado."