Who knew that Google needed a manual? Google’s simple interface covers an immensely sophisticated tool that does all kinds of tricks, many of which have little to do with searching and much to do with harnessing the collective power of the web. As a non-programmer I probably won’t use many of those hacks. But simply by enhancing my ability to google, this guide — now in a meaty third edition — is worth the price. It’s the Missing Manual to Google.