Upgrading and Repairing PCs: Field Guide is a portable, 'essentials' version of Upgrading and Repairing PCs, 13th Edition - the bestselling PC hardware book of all-time. Weighing less than half a pound, this tiny book packs a hefty punch - containing the essential information you need to upgrade and repair PCs, whether you're a hardcore pro or a weekend warrior. All of this information fits nicely in your toolkit, briefcase or backpack and be there to rescue you when you're out of your office