The Chilton GM Grand AM Achieva Calais Skylark Somerset 1985-1998 Repair Manual, published in 1999 by Chilton, is a comprehensive guide for General Motors vehicles. This paper-based manual provides detailed instructions and diagrams for servicing and repairing various models from 1985 to 1998. With a focus on maintenance and troubleshooting, this manual is a valuable resource for car enthusiasts and professionals looking to keep these vehicles in top condition. Book is in good condition but has some dirt and fingerprints due to use.