The product is a Baltimore and Ohio B&O Railroad Company Passenger Traffic Department rule book from 1960. The book includes a previous owner signature on the cover, indicating it has been modified. The book contains instructions for ticket agents selling space on sleeping and parlor cars. This collectible item is a piece of railroadiana and train memorabilia from the United States, providing a glimpse into the history and operations of the B&O Railroad Company during that era. Super rare, try to find another one!