The well-researched book features a wealth of information and prototype photos that appeal to both model railroaders and train enthusiasts. The evolution of the railroad equipment used, including auto parts boxcars, double-door boxcars, experimental auto-rack cars, piggyback auto trailers, two- and three-deck open auto racks, and enclosed auto racks. How auto production, parts plants, and assembly plants work. How railroads get raw materials to plants and deliver cars and trucks to distribution centers. Train operations, since auto parts and cars are among the most time sensitive traffic on railroads.