The product is a set of two hardcover books titled "John Deere Tractors and Equipment, 1960-1990" by authors Don Macmillan and Roy Harrington. Published by American Society of Agricultural Engineers in 1991, these books are illustrated and feature a dust jacket. Focusing on agriculture and technology, the books provide a comprehensive look at John Deere tractors and equipment from the years 1960 to 1990. With a total of 392 pages, these vintage books offer a detailed account of the evolution of farming machinery during this period.
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