This is an original GM 1967 Chevrolet Truck Chassis Service Manual Series 10-60, #ST-133-67.  This manual includes procedures for maintenance and adjustments, minor service operations, removal and installation for components of Chevrolet Series 10 through 60 Trucks.  Some shelf wear and discoloration due to age, crease on back cover.  Pre-punched holes for holding in a binder.  Pages are in very good condition (see photos).  Measures 11" X 8-1/2" X 3/4" thick.  Found in an old closed dealership.