They may be known by letter--the D, the GP (general purpose), or the A and B. They may be numbered--from the Model 40 and 50 to the industrial strength 8301 and 8401. Or they may have colorful names like the Waterloo Boy. But in the end, they are all John Deere tractors, an icon of the landscape of American agriculture and industry since their first appearance in 1923. This book captures the unmistakable power of the John Deere tractor over the years...