2 Soft covered computer books, one titled WINDOWS CONFIGURATION HANDBOOK A Complete Guide to Optimizing Your System for Windows 3.1, and the other soft covered book is titled UPGRADING & REPAIRING PC'S A QUICK REFERENCE. Essential information on computer hardware at your fingertips! Topics include: complete error code listing, memory mapping charts, IRQ and DMA maps, BIOS and CMOS tables for adding peripherals, disk drive controller specifications, and much more. These books are in VG+ condition. The pages are clean and intact, and the bindings are tight. They would make an excellent addition to your legacy computing library!