Intended for the enthusiast looking for an alternative to off-the-shelf computer systems, this manual considers both cheap secondhand components and state-of-the-art technology. It cuts through the jargon and demonstrates how easy it is to create a custom-built computer from scratch using little more than a screwdriver. Readers will understand how computers actually work, save money and, most importantly, learn how to design and build the perfect PC that matches their needs both now and in the furture. The end result should be the only computer they ever need.