The product is a rare Buick used car facts book covering the years 1949-1952 and also includes information on other car brands such as Crosley, De Soto, Hudson, and Dodge. Published by General Motors in 1953 in the United States, this salesman fact book is a valuable resource for vintage car enthusiasts. The book is printed on paper and provides detailed information about the featured car models, making it a unique and sought-after collectible for automotive historians and collectors.