This book argues that prosperity has rarely, if ever, been achieved or sustained without trade. Trade alone, however, is not enough. Policies targeting employment, education, health and other issues are also needed to promote well-being and tackle the challenges of a globalised economy. The book uses straightforward language, avoid technical terms, and illustrate theory with real-world examples.

Having sold more than 2 million copies over its lifetime, How Computers Work is the definitive illustrated guide to the world of PCs and technology. In this new edition, you’ll find detailed information not just about every last component of hardware found inside your PC, but also in-depth explanations about home networking, the Internet, PC security, and even how cell phone networks operate. Whether you’re interested in how the latest graphics cards power today’s most demanding games or how a digital camera turns light into data, you’ll find your answers right here.