You may already be using advanced Google Search operators like inurl: and ext: and site:, but here is a chance for you to sharpen up your search efficiency even further. Did you feel the need for a search operator like “img:” or “pat:” to specify that you wanted to search among images or patents? Unfortunately those operators don’t exist. So how can you instruct Google to do an image search or a book search without pressing a lot of buttons on Google’s search page?