Book excerpt: Relive the golden age of Milwaukee motorcycling with this unique book that goes beyond the rest. Read intimate accounts from company officials, dealers, and riders of classic Harley Davidson motorcyles of the 1930s. Hundreds of period photographs from private collections and massive text trace the development of the H-D Big Twin from the sidevalve VL to the '61 and '74 models, and the legendary Knucklehead. Experience the Milwaukee motorcycle scene from the men and women who lived it.