Original 1998 Chevrolet, GMC, Oldsmobile Dealer Service Manual Set. This 3 Volume Set covers the S/T Truck Models [Chevrolet S-10 Blazer, GMC S-15 Jimmy (S/T), and Oldsmobile Bravada]. These are what the Dealerships used to service and maintain your vehicle. It has information, illustrations, diagrams and procedures for repairing your truck.Very informative and useful tool for the Truck Owner. Volume 1 is a Second Edition. All are in good used condition with minor wear and soiling from use in a Dealership.