Randy Leffingwell

• Corvette
• Porsche 911
• Ultimate Horse Barns
• American Muscle Cars
• Caterpillar Dozers & Tractors
• Classic Farm Tractors
• Classic Porsche 911 Buyer's Guide 1965-1998
• Complete Book of Porsche 911 4th Edition
• Corvette
• Farmall 100 Years
• Forty Six
• Harley-Davidson, the History of the Motorcycle